... video recorder -H.264 realtime HD 720P DVR -USB,PTZ,Audio,Network,VGA -720p realtime record -2 HDD ... -core CPU; Steady System Function;4. Playback, video, network transmission, mobile browsing, and backup etc. ... Network downloadUSBUSB Interface 2 USB2.0 PortsPTZPTZ Control Support Preset, Patrol, PatternAlarmVideoMotion detection, Video loss detection, ... (D) Weight4.5kg HD 720P DVR Digital Video Recorder