720p 1MP AHD Security Varifocal Camera 1/4&rdquo; cmos 2.8-12mm Night Vision IR Analog HD 36 IR LEDs Day and Night Outdoor Indoor Weatherproof Aluminum Color Dome Camera Make sure your DVR supports AHD camera before purchase, otherwise the camera will not work. 1/4'' CMOS 1.0MP 720P IT Color image sensor. NTSC format. IP66 Weatherproof Rated. 36 infrared LEDs for night vision. 110 ft. IR Distance in Effect. Provides excellent day time color image and black/white night vision in total darkness 1/4" Cmos, 1.0MP/720P * 0 lux with IR ON * 0.01 Lux @F1.2 AGC ON * NTSC Pixels: 1280 (H) x 720 (V) 2.8 - 12mm Lens; Auto white balance; Auto Gain Control. Auto Back Light Compensation(BLC) If your cameras aren't working when using another brand's DVR, be sure to check the compatibility of your DVR. You may find that it is unable to connect to a wide range of cameras. Some DVRs provided by other companies have a limited range of selection.