DigiHiTech 1/3" 700TVL Day and Night Vision Vandal Proof Outdoor Indoor Weatherproof 24 IR LED Aluminum 3.6mm Color Dome Camera FS1709/IRAD 1/3'' Color CCD image sensor. NTSC format. 700TVL. Water Resistance: IP66 Rated. Outdoor Indoor Weatherproof. NTSC Pixels: 811 (H) x 508 (V) 24 infrared LEDs for night vision. 75 ft. IR Distance in Effect. Provides excellent day time color image and black/white night vision in total darkness 0 lux(IR ON). IR Illumination auto activates when light levels fall 3.6mm Lens; Auto white balance; Auto Gain Control. Auto Back Light Compensation(BLC) If your cameras arent working when using another brands 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.