16CH MPEG4 DVR, real-time recording on CIF. Allowing live display, record, playback, backup, and network operations at the same time. Remote Independent Operation, Supporting up to 3 HDD, USB flash drive and network backup. Remote surveillance up to 5 users simultaneously with licensed software AP and IE browser. Intelligent Motion Trigger Recording: with the advanced functions of motion detection, scheduled motion detection recording (4 different adjustable factors for motion detection sensitivity) and quick search, customized security environments are achieved. Pre-alarm recording (8MB). A mask replaces the live image with a blank screen and the monitor shows nothing, but the recording is still on. 4 audio-in, 2 audio-out to record sounds. IR remote control. System auto recovery after power reconnected. PTZ camera operations through RS-485, and PTZ Hot Point function. Manual / timer / motion / alarm / network recording. Watermark function. TCP/IP, PPPoE, DHCP and DDNS network connection. TV2VGA is required to connect to a VGA monitor.