DVR1604LE-L: 16 channel video inputs, 4 channel audio inputs, 16 channel loop outputs and 1 channel matrix output. The 1st and 9th video channels can support max D1(4CIF) realtime recording and other channels can support CIF realtime recording. It can support VGA, HDMI, eSATA, USB2.0 and 4 HDDs. Features >New 1.5U standalone DVR with most competitive price and high cost effectiveness >H.264 compression algorithm ideal for standalone DVR >Realtime live display up to 16 cameras with 720P high definition >400/480 fps recording for CIF and special channel D1(4CIF) realtime recording >Dual encoding streams flexible for network transmission and mobile phone monitoring >Pentaplex function: live, recording, playback, backup & remote access >4 HDDs supported, eSATA port & CD-RW/DVD-RW supported >16 channel simultaneous playback >Smart video detection: motion detection, camera blank, video loss >Smart camera settings: privacy masking, camera lock, color setting and title display >With our Speed Dome, support 3D intelligent positioning >Alarm triggering screen tips, buzzer, PTZ preset, e-mail, FTP upload >Powerful network software: built-in web server, multi-DVR client, MSS(mobile phone surveillance software) & CMS