... -USB,PTZ,Audio,Network,VGA -720p realtime record -2 HDD, 4TB 4 channel HD DVR Features: 1. H.264 ... Function;4. Playback, video, network transmission, mobile browsing, and backup etc. work simultaneously;5. Access to local multi-screen real ... , GooglePhone, SymbianPowerPower Supply DC 12V/5APower Consumption< 25W (without HDD)OtherWorking Humidity10%-90%Working Temperature 0°C ~ 50°CDimension (mm ...