Camera Specifications: Model GW647 Image Sensor 1/3" Sharp CCD Effective Pixel NTSC: 811(H)x508(V) Scanning System 2:1 Interlace Horizontal Resolution 520TV Lines Minimum Illumination 0 Lux (IR LED ON) Electronic Shutter Auto: NTSC: 1/60s~1/100,000sec S/N Ratio >48dB Gamma 0.45 Lens 3.6mm Video Output 1. 0Vp - p, 75? IR wave length 850nm Power supply DC12V±10% Power consumption less than 3.0W IR Distance 19.5M (65 ft with 23 Unit infrared LED) more »