DigiHiTech 1000TVL 1.3 Megapixel 2.8-12mm 18 IR LEDs Night Visiaon Vandalproof Varifocal Dome Color Camera with IR-Cut function FS1009/28 with Power Supply, BNC Connectors and Security Warning Decal 1/3'' Color IT Image Sensor. NTSC format. Vandalproof. 18 Infrared LEDs for Night Vision. IR distance: 75 ft 1000 TVL. 0.45 Gamma Characteristic. White color Min. illumination 0 lux(with IR ON); 2.8-12mm Lens; Auto Gain Control (AGC); Auto Electronic Shutter (AES):1/60s-1/100,000s 12VDC 300mA Power Supply, 2 BNC Twist-on Connectors and 5"x7" Large Security Warning Decal included 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.