door Camera 1.Waterproof, dustproof, anti-lightning for outdoor use 2.Abnormal voltage protection 3.Constant voltage constan door Camera1/3 "SONY color CCD 4mm / 6mm/with 8mm / 12mm / 16mm optional lens infrared lamp, irradiation range 15 star up to 12 meters, with standard 3.6 mm, 480 lines High sensitive steady and high clear image quality door Camera