Professional Outdoor IR Dome Camera, 1/3" SONY CCD, 520 TV lines, 30 IR LEDs. Vari-Focal 4~9mm manual lens. Low Illumination 0 Lux (with IR LED on). Great Image, Great for Entrance Outdoor IR Dome Camera Vari-Focal 4~9mm manual lens Low Illumination 0 Lux Automatic tracking white balance DOWNLOAD FAQ Camera Specifications   Model GW2011A Signal System NTSC Sensor CCD 1/3" SONY CCD Pixel Effective 768 (H) x 492 (V) Horizontal Resolution 520 TV Lines Lens 4~9mm manual lens Minimum Illumination 0 Lux (with IR LED ON) S/N Ratio More than 52dB Distance 82feet (25Meter) View Angel 79.37˚ LED wave length 30 unit ; 850nM Average life 20000 hours Water Resistance IP65 Video Output 1Vpp, 75Ω, Y/C Separated Connector Video BNC Operation Temperature -20˚C ~ +50˚C Supplied Power 12VDC (+/-10%)