High quality real time monitoring in D1 resolution -16 ch or 4 ch Mux mode recording with frame rate up to 30fps -Additional 4 Quad video looping -Auto detecting video signal loss and HDD failure -Built-in 4 ch motion detection -Video signal looping for each input and out put channel -Additional S-video output -Record 1 ch audio -4 ch sensors input and 1 ch alarm output -Retrieve and backup digital video via USB link to PC -PCViewer program for viewing recorded video, taking snapshot and converting video to AVI format on PC. -Connect to LAN/WAN enabling remote monitoring, recording, playback, backup and control of video and audio -Video/Audio convertible from remote to PC readable format -Multiple languages available for on-screen menu. -Automatically detect IP address from DHCP server