HD CAMERA 4MP AHD TVI DIS    AHD technology is the most recent analogue CCTV evolution.Launched by the manufacturer Nextchip, world leader in the production of DSP processors for CCTV cameras, the AHD "Analog high definition" technology allows DVR cameras and video recorders to reach resolutions in Live at 1080p (1920x1080P) and in REC HD720P (1280x720) previously obtainable only with IP technology.AHD cameras support image sensors that enable clear, noise-free recordings with a high image processing capacity both day and night.External structure in white ABS, ideal for indoors and outdoors (Waterproof IP57). Internal lens with 2.8-12mm varifocal optics and infrared illuminator (2 array LEDs) with range up to 20m. Supplied with bracket for ceiling or wall mounting.    Details EAN 6920190315897 Resolution in LIVE 1920x1080p (Full HD 1080p) Minimum illumination 0.001 Lux/F2.0 Signal to noise ratio >50dB Sync. Video signal Internal, Negative sync. White balance Auto 2 LED arrays IR distance 20 meters AHD video output Auto Gain control Automatic DC12V/350mA power supply         Varifocal optics 2.8-12 mm Dimensions (cm) 20 x 8.5 x 12cm Bracket size: 9x7cm Protection degree IP57 Waterproof Storage temperature -20~+60°C RH95% MAX Operating temperature -10~+50°C RH95% MAX     NOTE : this model supports 1080p resolution (in Rec) only when connected with AHD DVRs that support this technology, therefore it is only compatible with AHD DVRs.