... alarm with siren & PIR 1.H.264 DVR compression 2.4 ch D1 playback 3.VGA+Alarm+ ... streaming encode, recording, playback, net transmission, backup, wireless monitor and DVR operation simultaneously5.Supports Remote control, Mouse operation6.Smart video motion ... Supports smart HDDs Management11.Powerful network software: web server,multi-DVR client for remote live viewing and other remote configuration.12 ...