3.6mm Len 4GB Dome IR Camera Night Vision Video Recorder DVR Waterproof CPU Processor:ARM 32-bit Microprocessor core. Encoding:MPEG-4/3GP. Signal System:Digital Signal Resolution:VGA:640 x 480; CIF:352 x 288. Lens:3.6mm. HD Camera:300,000 pixel High Resolution,1/4 COMS Image Sensor Support External TF card: TF card:2GB-16GB. Video Time:4GB: more than 24 hours. Night Vision:Night Vision from 5-30 meters. Time Adjustment:Support the clock automatic updates. Video playback:storm DC Power: Input:AC220/110v, Output:DC5V/1A. Operating environment:Inoor and outdoor