Developers: | Axis Communications |
Last Release Date: | 2021/11/30 |
Technology: | Video surveillance systems |
Content |
Main article: Video surveillance systems: Design features of cameras
2021
Axis M4308-PLE, Axis P3727-PLE, Axis P3818-PVE panoramic cameras
On November 30, 2021, Axis Communications announced the release of three Axis M4308-PLE, Axis P3727-PLE, Axis P3818-PVE panoramic cameras. They support analytical applications directly on the device and contain a data processing module with deep learning technology. Cameras are recommended for use on the street and at large facilities - in supermarkets, shopping centers, cafes, office and warehouse premises and in other locations. One panoramic camera allows you to replace several simple cameras, thereby making the system more efficient. The presented cameras guarantee a clear image quality even in adverse weather conditions. The models have a wide dynamic range of WDR, which provides enough information to investigate various incidents. Cameras also allow you to get color images even in low light thanks to Lightfinder technology.
Axis M4308-PLE is a dome mini-camera with a resolution of 12 MPs and a 360 ° view. It is suitable for street applications, has a sound recording function and allows you to expand the functionality of an existing video surveillance system. Axis P3727-PLE - multi-directional camera with a 360 ° view and transmitting four video streams with a resolution of 2 MPs. Suitable for shooting both wide-angle and enlarged detailed images. This model is designed to monitor a large area inside a building or on the street. The Axis P3818-PVE is a 13-megapixel multisensory camera. It provides a "seamless" panoramic image of 180 ° high quality with sufficiently high detail and a frequency of up to 30 frames per second. All 3 images are combined into a single video stream for viewing without any "seams." This is an option in a situation where you need to get a detailed picture of what is happening. In addition, thanks to the Axis M4308-PLE and Axis P3727-PLE IR backlight Axis OptimizedIR built into the cameras, video surveillance can be conducted in complete darkness.
Cameras are equipped with built-in cybersecurity functions to prevent unauthorized access and protect the system. So, in the Axis P3727-PLE and Axis P3818-PVE cameras, there is a special Axis Edge Vault feature that protects Axis device IDs and simplifies the authorization of Axis products on the network. The Axis P3727-PLE comes with remote zoom and focus lenses with a hacking-proof housing and a built-in weather shield with IP66/IP67 protection. The model supports various mounting options.
The chambers are vandalized, withstand extreme cold and high temperature up to 50 °. Models will appear in the Axis distribution network in the fourth quarter of 2021.
Certification in the Ministry of Internal Affairs of Russia for compliance with transport security requirements
On May 24, 2021, Axis Communications, a global expert in the field of network video surveillance, announced that most of the company's network video cameras and devices, including all the most popular products on the Russian market, received a certificate from PKU NPO STiS of the Ministry of Internal Affairs of Russia. Certification is necessary for the regulation of products that meet the requirements and quality standards of Decree of the Government of the Russian Federation of September 26, 2016 No. 969 on ensuring transport safety. Certification confirms the proper quality of Axis products and facilitates the work of the company's partners, since the installation and application of Axis solutions will no longer require additional checks.
The products of the Axis M11, P13, P14, Q16, M30, M31, M32, M42, P32, P33, P37, P39, Q35, Q60, Q61, XP40 series, which are used by security services in both state and commercial transport infrastructure facilities around the world, received certification.
In addition, accessories and accessories were certified: joystick, keyboard, docks, controllers, radar detector, etc. Among the certified cameras there are devices that remain operational under the most severe weather conditions and physical impact: for example, the explosion-proof PTZ-camera XP40 in a strong housing. Thanks to the wide range of video analytics capabilities and the use of open source software, Axis video surveillance systems are easily scaled and configured depending on the task.
"Through 969 certification Ministry of Internal Affairs of the Russian Federation , Axis Communications products are even more affordable. We are proud that Axis's technology solutions make Russian transport it easy and secure, "said Alexey Mayorov Axis Communications Sales Director at. Russia |
2015: Small camera Axis M1125
Axis Communications released the M1125 compact video cameras in September 2015, which are equipped with a 3-10.5 mm vario lens with an auto-frame, 1/2.8-inch CMOS sensor and are designed to work at external temperatures up to -20 ° C. The new ip video camera is capable of broadcasting several video streams on the network in H.264/M-JPEG with a resolution of up to 1920x1080 px., A frame of up to 30 k/s, uses Zipstream intelligent compression technology and WDR-Forensic Capture video quality improvement technology in any lighting conditions. In addition, the AXIS M1125 has a motion detector, a slot for a mini memory card, supports optional video analysis, PoE power, complies with ONVIF and is equipped with AXIS Camera Companion software.
To simplify and accelerate the installation, the new video camera is equipped with a variofocal lens with a focal length range of 3-10.5 mm, an auto-frame with DC signal control and infrared lens correction, which, if necessary, can be replaced with a lens with the most suitable parameters for video shooting. If the ip video camera is to be mounted on the ceiling, it can be equipped with an AXIS T91A50 telescopic bracket. At the same time, the power supply to the new ip devices is carried out in two ways: directly from the 8-28 V DC source or through the Ethernet connection cable using PoE technology.
Full HD M1125 video is transmitted in M-JPEG and/or H.264 formats, including a progressive High Profile, with a 30 k/s frame in all available resolutions. With the ability to configure the key parameters of each video stream and support for the latest Zipstream technology, the ip camcorder provides a 50 percent reduction in archive disk space and network load. The integrated Axis Zipstream module works with streams compressed in H.264, optimizing them so that sections of the image with important details (people's faces, mobile objects, etc.) are broadcast on an IP network with high quality, and secondary ones - as compressed as possible.
The basic intelligent potential of the video camera, which includes a motion video detector and a system for recording attempts to affect its body/lens, can be expanded by video analysis functions of various developers through the AXIS Camera Application Platform. When installing additional intelligent applications, the ip video camera can, for example, track object movements, count them, monitor the intersection of virtual boundaries, etc. In this case, the video analytics metadata can serve as an alarm signal, according to which AXIS M1125 activates video recording on a local memory card, sends alarm frames to e-mail and/or performs a number of other actions specified within the ip video system.
The high sensitivity of the CMOS camera sensor and the use of image quality improvement technologies such as the extended dynamic range of WDR-Forensic Capture, exposure control and others allow you to obtain high-quality video in a wide range of illumination levels. In addition, the ip video camera is capable of transmitting an informative image in True Day/Night modes with illuminations up to 0.25/0.05 lx. For effective video monitoring in the dark, the video camera can be equipped with an external infrared spotlight, for example, T90B from the AXIS product line. When choosing an IR spotlight, it should be borne in mind that the horizontal viewing angle M1125 varies from 49 to 91 °.
Using the free AXIS Camera Companion software, you can not only configure the video camera, but also manage the video surveillance system, which includes no more than 16 ip devices of this manufacturer. At the same time, for centralized video control of larger objects, for example, office buildings or shopping and entertainment complexes, it is recommended to purchase license software AXIS Camera Station with the ability to configure network equipment, monitor, record, search and play archive video, etc. In addition, the ip video camera can fully operate under the control of third-party software, since it has an open API, including AXIS VAPIX, and meets the requirements of ONVIF.
2014
Axis M1145 and M1145-L with IR spotlight
In August 2014, AXIS Communications launched the M1145 standard design video cameras for indoor video shooting and their modification M1145-L with an IR spotlight. Both novelties are equipped with a 2-megapixel CMOS sensor, a variofocal lens with 3-10.5 mm, F1.4, motorized focus/zoom and a P-Iris autodiphrage, and carry out multistream video streaming in H.264 and M-JPEG with a resolution of up to 1920x1080 pixels. and a speed of up to 25 k/s. In addition, these IP video cameras can record video on memory cards microSD/SDHC/SDXC up to 64 GB capacity, on NAS storage or file server, have a video detector, alarm input/output, and are equipped with AXIS Camera Companion software to configure and manage a 2-16 channel IP surveillance system.
A 2-megapixel 1/2.9 "CMOS camera sensor and an integrated lens with focal lengths of 3-10.5 mm and the ability to remotely adjust focus and zoom create a high-quality image with Full HD resolution. M1145, like the M1145-L model, is capable of transmitting several video streams over the network with a maximum 25 k/s frame in M-JPEG and/or H.264 format and a given bit rate. In addition, both IP video cameras can be supplemented with video analytic functions based on applications of various manufacturers that are integrated using the AXIS Camera Application Platform.
The AXIS M1145/-L provides effective video control in variable lighting rooms by providing high photosensitivity and day/night support. Both cameras can transmit an informative color image with illuminations up to 0.4 lx, and black and white - up to 0.08 lx. At the same time, it is advisable to install M1145-L models with an integrated infrared spotlight on objects that are not illuminated, for example, after the end of the working day or at night. The IR spotlight of this IP video camera is activated automatically or by event and has a backlight range of up to 15 meters, and its intensity and illumination angle are adjusted to the conditions of a specific video surveillance object.
Support for high image quality under all light conditions of the M1145 and M1145-L video cameras is provided by the P-Iris auto-frame, which, in addition to the hardware, uses special variable lens control software and adjusts the aperture opening of the diaphragm as accurately as possible and automatically adjusts the depth of sharpness of the image. At the same time, the focus will always be objects located at different distances, which is especially important when IP video surveillance is carried out for fairly long sections, including corridor-type ones. Power supply to IP video cameras and autodiphrage is carried out using PoE technology, and the power consumption of new products does not exceed 10.5 W.
The M1145/-L video information can be recorded and stored on a microSD/SDHC/SDXC format memory card, for which there is a special slot in the video camera housing. With a 64 GB card, new AXIS devices can store video data without network access for several days. Another advantage of the novelties is their ability to work as part of a 2-16-channel video surveillance system based on free AXIS Camera Companion software without using external video storage devices (DVRs and NAS storage). In this case, the video is recorded to the memory card of the IP video camera on alarm, on schedule or in continuous mode.
The video camera is easily connected to the 10Base-T/100Base-TX Ethernet IP network via the RJ-45 interface, and supports a wide range of modern network protocols for its performance and protects video and data from unauthorized access. AXIS M1145/-L network security includes password protection, IP address filtering, digital authentication, HTTPS encoding, user access logging, IEEE 802.1X network access control, etc. At the same time, both IP video cameras are ONVIF-compatible and have an open API, including AXIS VAPIX, so that they are easily integrated into multi-brand video surveillance systems.
The new 2-megapixel IP video cameras M1145 and M1145-L brand AXIS have already entered the Russian market and are available for purchase at retail prices of 24,526 and 26,984 rubles, respectively, including VAT.
Axis M3027-PVE for 360 ° video shooting
The IP equipment line of AXIS Communications in the summer of 2014 was supplemented by the M3027-PVE street video camera for 360 ° video shooting, which is equipped with wide-angle optics, provides a circular view and is affordable. The new panoramic video camera uses a 5-megapixel CMOS sensor, can form several video streams with a resolution of up to 2592x1944 pixels. in H.264 and M-JPEG with on-site lighting up to 0.3/0.06 lx and supports video recording to a memory card. Reliable protection against precipitation and mechanical effects, as well as efficient operation of the panoramic model in the temperature range from -30 to + 50 ° C, provides a vandalized enclosure with IP66/IK10 and a drying membrane.
The 360 °/180 ° view allows the use of new video cameras for high-quality video shooting at street facilities or in large areas, including for monitoring the general situation and video monitoring of people's movements in small hotels, restaurants or office buildings. This panoramic video camera can be mounted on a ceiling or wall without additional fasteners, as well as on the corners of buildings, pillars, etc., using optional branded brackets. The ultra-wide field of view M3027-PVE provides a 2.8 mm megapixel lens installed in it, while, along with panoramic video display, it provides several viewing modes, including quadric (4-window).
Using a 5-megapixel CMOS sensor and a proprietary AXIS processor, the new video camera generates high-quality high-definition image. In addition, it allows you to broadcast several video streams on the network simultaneously in H.264 Baseline/Main Profile and/or Motion JPEG formats with a frequency of up to 12 k/s at any available resolution up to 2592x1944 px. (5 MP). When working in Multi-View mode, the panoramic video camera is able, together with a full 360 ° image, to transmit in separate streams enlarged sections of selected zones in the frame, the frame of which will be 10 k/s. In addition, like other AXIS panoramic models, the M3027-PVE supports digital PTZ functions.
The high performance and stable operation of the video camera in street conditions is provided by a shock-resistant thermowell, which is made of aluminum alloy (polycarbonate dome), has a class of protection against mechanical damage IK10 and dust/moisture protection in accordance with IP66. Thanks to the use of the drying membrane, the panoramic video camera eliminates condensate formation at temperature differences, and its stable operation is possible up to -30 ° C. To simplify and reduce the installation time, the M3027-PVE is fully operational. In particular, this panoramic model is equipped with a 2-meter Ethernet cable, supports power supply using PoE technology, and its focus has already been completed in factory conditions.
Support for video mining implemented on the AXIS Camera Application Platform allows you to expand the security capabilities of the video camera. So, for example, if a panoramic video camera is installed above the entrance to the building, then it can be supplemented with such functionality as counting visitors to the entrance and exit. In addition, the M3027-PVE is equipped with alarm interfaces, is able to record activities in the video surveillance sector using an integrated video detector, detect impacts on the housing/optics, and record and store alarm panoramic frames on a memory card microSD/SDHC/SDXC a format up to 64 GB in capacity, as well as on network storage NAS.
To configure the new camera and other IP equipment of the AXIS brand, which is part of the video surveillance system, it is recommended to use the standard software AXIS Camera Companion, on the basis of which you can organize a full-fledged video system on 2-16 IP channels. At the same time, the panoramic video camera can use a memory card installed in it as a video archive. At the same time, the M3027-PVE is capable of running a full-featured ON AXIS Camera Station or ONVIF-compatible software from other developers, since this panoramic model supports the ONVIF Profile S standard.
The vandalized panoramic camera AXIS M3027-PVE has already entered the Russian market, and its retail price is 39,272 rubles.
Small IP video cameras M1025
AXIS Communications small IP video cameras M1025 have advanced functionality and a profitable price/quality ratio. They are equipped with an aluminum case, a 3.6 mm lens with a viewing angle of 94 °, a microSD slot for a memory card and a microHDMI video output for displaying the image on the monitor. These color video cameras provide effective video control of rooms with lighting up to 1.5 lx and transmit video with Full HD resolution and a 25 k/s frame. In addition, the new color models support the branded Edge Storage and Corridor Format technologies, are equipped with Camera Companion software and are powered by PoE technology or from a 4.9-5.1 V DC source.
Unlike other models of the M10 series, the M1025 video camera transmits an image in real time with full HD resolution, and the compact dimensions of the case and a good price/quality ratio allow you to use it for video control in the premises of private houses, small shops and offices. The new [color video cameras] are equipped with a lens with a fixed focal length of 3.6 mm and a wide field of view of 94 ° and are as easy to install as possible, since they can be attached to any surface, including pipes, using AXIS clamps. To speed up the installation process, these color models can be powered by PoE technology, that is, by the same twisted pair over which the video signal is transmitted.
With a 2-megapixel 1/2.7 "progressive scan CMOS sensor and a high-performance image processor, the video camera can stream multiple independent streams over the network with up to 1920x1080 px resolution. at 25 k/s compressed in H.264 and/or M-JPEG, with illumination on the object up to 1.5 lx. At the same time, color video cameras can optimize the load on the network by adjusting the resolution and/or frame of transmitted video streams. In addition, M1025 implements options such as overlaying text and color graphics onto an image, masking private areas, mirroring a picture, etc.
M1025 alarm frames can be recorded and stored on a microSD/SDHC/SDXC format memory card, for which there is a special slot in the video camera housing, and its capacity can reach 64 GB. On the basis of the free AXIS Camera Companion software, with which 2-megapixel color video cameras M1025 are available, you can organize a full-fledged video surveillance system of 2-16 IP devices AXIS, and for the video archive use only installed memory cards. At the same time, you can record color video streams on the card not only on an alarm, but also on a schedule or constantly, which is especially in demand for small autonomous video systems.
2-megapixel color camcorders AXIS M1025 have already entered the Russian market, and their retail price is 14,695 rubles.
2010
Axis M32 Series Network Cameras
The AXIS M3203 and AXIS M3204 are affordable and compact fixed dome network cameras. They are ideal for applications where stealthy fixed dome cameras are required, such as retail stores and office buildings.
Main advantages of the AXIS M3203 and AXIS M3204 network cameras: Convenient installation, the hardly noticeable compact case, is absent blurring of the image of moving objects thanks to progressive development, compatibility and calculation on future configurations with the H.264 and Motion JPEG formats, Power over Ethernet Technology, the Lens with variable focal length, from wide-angle to the telemode, HDTV quality (1 megapixel, 720p)
- The AXIS M3203 security surveillance kit includes: AXIS M3203 network cameras - 4 units. AXIS Camera Station software - 1 unit, License for 4 bases
- The AXIS M3204 security surveillance kit includes: AXIS M3204 network cameras - 4 units. AXIS Camera Station software - 1 unit, License for 4 bases
AXIS Camera Station is an easy-to-install and easy-to-use video management program that includes all the necessary features to ensure uninterrupted monitoring and monitoring. If necessary, you can expand the security surveillance system by simply adding network cameras to the IP network.
Axis Videoglaz M32 series Universal Dome HDTV Cameras
The AXIS Videoglaz M32 series line of network cameras includes two models: AXIS M3204 and AXIS M3204-V. The M32 AXIS M3204 and M3204-V series of dome anti-vandal megapixel (HDTV) network cameras are an excellent tool for professional surveillance for indoor and remote monitoring of critical areas. AXIS Videoglaz M32 series CCTV cameras, with a design suitable for covert security surveillance, offer a compact and cost-effective solution with effective hacking protection. The M3204 is ideal where surveillance tactics are needed, such as in shops and office buildings. The mechanical design of the M3204 is adapted for flexible adjustment of the required view. Powering the camera through the POE (Power Over Ethernet) network eliminates the need for bulky cables and reduces installation costs.
The network vandalized (dome housing, vandal protection (impact up to 1000 kg.)) Videoglaz M3204-V camera has a multi-window adjustable motion detector, an alarm input for connecting sensors and a relay output for connecting an external controlled device. The convenient attachment of the M3204-V to the ceiling or wall allows you to use any settings of the rotation, inclination and rotation angles of the variofocal lens. Using the M32 series of AXIS HDTV cameras, you can create an efficient and cost-effective networked video surveillance system to ensure the safety of stores, schools, banks, other office buildings using the local network or the Internet. The M3204-V camera is ideal where security and security are needed, such as in stores, warehouses and banks.
Axis AXIS M31 Dome IP Cameras
AXIS M31 dome IP camera line specifically designed for transport applications: The AXIS M31 series IP camera line features 2 models: AXIS M3113-R and AXIS M3114-R. The AXIS M31 series of dome IP cameras are specifically designed for transport applications. These are small chambers in a strong vandal-resistant case, protected from moisture and dust. Also, these dome network cameras have camera impact notification functions (changing the viewing angle, covering, shading, etc.). The difference is that the maximum resolution of the M3113-R camera is 800 * 600 pixels, and the M3114-R has megapixel resolution (up to 1280 * 800). The fixed miniature M3113-R dome grid camera with built-in motion detector is designed specifically to work in the harsh conditions typical of buses and trains: shaking, increased humidity, dust, temperature fluctuations, etc. The M3113-R camera contains an intelligent external alarm function, the camera can simply be installed and left to work reliably in a set place for a long time. AXIS M3114-R is an inconspicuous palm-sized networked camera specially designed for vehicles with a large flow of passengers. The inconspicuous design makes the M3114-R camera an excellent tool for monitoring the rolling stock of urban and commercial vehicles. Its strong transparent coating provides excellent protection against dust, humidity and vibration. AXIS M3114-R has an intelligent external alarm function. The camera does not have a connector for connecting an external power supply, power is supplied to the camera ONLY through an Ethernet cable. In addition to the standard version 4 IP protocol, IPv6 support is provided as a guarantee against possible shortage of IPv4 addresses. The M3114-R offers a high degree of security using multilevel passwords, IP address filtering, and HTTPS encoding.
Axis M1103, M1113, M1104 и M1114
The AXIS M11 line of network IP cameras features 4 new network cameras: AXIS M1103, M1113, M1104 and M1114. The professional AXIS M11 series includes compact network surveillance cameras for video monitoring in the premises of such facilities as shopping and office centers, hotels, banks, etc.
The resolution of the AXIS M1103 and AXIS M1113 cameras is 800 * 600 pixels, the difference is that the second model has a variofocal lens with automatic adjustment of the diaphragm. The digital PTZ functions of the AXIS M11 network IP cameras support PoE technology and allow you to use a web browser or software from AXIS, Milestone, etc. At the same time, the M1103 IP cameras are equipped with a 2.8 or 6 mm lens, and the M1113 cameras are equipped with a 2.9-8.2 mm variofocator with an ARD with DC control. Small-sized color CCTV cameras M1103 and M1113 stand out with a successful price/quality ratio. The new compact M1103/M1113 IP cameras for low-cost video surveillance systems allow you to organize a small IP video surveillance system, such as a retail store, at minimum time and cost. The advantage of the package solution based on the M1103/M1113 IP cameras is that with the growth of the business, the IP surveillance system can be quickly expanded by adding new video cameras and acquiring licenses for additional channels. The AXIS M1104 and M1114 are miniature megapixel IP cameras that differ in the optics included in their supply. The M1104 miniature megapixel IP cameras come with a 2.8 mm or 6 mm lens, and the M1114 HDTV cameras come with a 2.8-8 mm variable lens with an auto frame (DC). Both models use a 1/4 "CMOS sensor, ARTREC-3 branded processor, M-JPEG and H.264 codecs, and support multistream video translation with a resolution of up to 1 MPx/HDTV 720p (1280x800 px.) at 30 k/s. The M1104/M1114 AXIS supports various physical and network security mechanisms. M1104/M1114 cameras have a warning system for attempts to break into and/or damage their housing, close or paint the lens and other unauthorized actions. To prevent unauthorized users from connecting, each M1104/M1114 HDTV video camera supports IP address filtering, password system, and access log.
Axis M3011 и M3014
AXIS M3011 - 640 * 480 pixels, and AXIS M3014 has megapixel resolution (up to 1280 * 800). A feature of the AXIS M30 series of dome IP network cameras is their miniature size - the height of the dome is only 3 centimeters, and the diameter is only 9 centimeters. Due to their size, these dome IP cameras are ideal for CCTV in commerce and wherever inconspicuous CCTV is needed.
Miniature dome network camera M3014 - a compact solution for hidden security video surveillance. The M3014 fixed dome network camera has a unique innovative design. It is specially designed for hidden installation on mounted ceilings and is an incomparable solution for network video surveillance.
A new convenient service for users is the comprehensive video surveillance solutions proposed by AXIS Communications in June 2010: New Video Surveillance Kits: M-Line Cameras and AXIS Camera Station Software The 2010 AXIS Communications Series of New Dome Rotary Network Cameras: The AXIS dome swivel IP cameras are an excellent combination of high quality AXIS network cameras integrated with the swivel platform and good optics, which provides high image quality and rich functionality of AXIS swivel network cameras.
Axis M10
The 2010 AXIS M10 line includes 4 network cameras: Network wired AXES M1011, AXIS M1054 and two wireless IP cameras - AXIS M1011-W and AXIS M1031-W. The IP cameras of the AXIS M10 line are characterized by miniature dimensions (approximately 6 * 10 cm) and a relatively low price. AXIS M1011 - the cheapest network camera in the series with maximum resolution 640 * 480 and a compression codec H.264.- provides the best image quality among cameras of its class. The M1011 network camera is a versatile and affordable solution for indoor surveillance and remote monitoring. AXIS M1011-W is an analogue of the previous model with the only difference that it can transmit video stream over the Wi-Fi network (IEEE 802.11g). The compact, intelligent M1011-W CCTV is the ideal security solution for small businesses, shops, restaurants, hotels and residential areas. Models with the letter W in the name are equipped with an integrated antenna for connecting over the IEEE 802.11g. wireless interface, have advanced security and network management functions. Small internet camera AXIS M1054 with HDTV, microphone, audio channel and PIR sensor. The M1054 has a miniature housing (95x59x41 mm), weighs less than 160 g and is easily mounted on any surface, for example, a ceiling or wall, or on a shelf with a convenient holder with a clamp. The miniature Internet camera with a microphone Internet camera M1054 provide video transmission over the local network or the Internet and is designed for video surveillance in shops, restaurants, private houses, for the protection of apartments, cottages and offices. AXIS M1031-W - The world's smallest MPEG-4 network wireless camera resolution 640 * 480 with a built-in microphone, hands-free speaker, motion sensor and LED backlight for shooting at night. It is also the first miniature megapixel network camera to be powered by a network cable (PoE). The world's smallest MPEG-4 network wireless camera M1031-W - An inexpensive video surveillance solution with high image quality. Detects motion even when there is no light.