* Wireless transmission and reception, Small size, Light weight, High Sensitivity, Easy installation & operation. * Lens: CMOS * Diameter: 22－28mm * Definition: 380 TV lines * Scan frequency: PAL/CCIR, 50Hz NTSC/EIA: 60Hz * View angel: 150 degree * Minimum lumination: 3 Lux, low lumination high feeling * Night vision: 4 lights, 6M. Night vision, super clear. * Water resistance: IP68 watertightness design, through a test strictly soak in water, spray water and dive. * Power Supply: DC 9 - 12V * Outer material: Magnesium alloy of aluminium, Bear an earthquake, whet , high or low temperature * Accessories: sentinel, power wire, connector wire