... h.264 dvr -H.264 realtime hd dvr -USB,PTZ,Audio,Network,VGA,HDMI -720P DVR HD realtime recording -CMS/IE management 4 channel HD DVR Features: 1. H.264 ... -core CPU; Steady System Function;4. Playback, video, network transmission, mobile browsing, and backup etc. ... Control Support Preset, Patrol, PatternAlarmVideoMotion detection, Video loss detection, Temper detectionIO input/output4CH Input, ...