Compression format MPEG 4 software compression Display resolution 320X240/352X288 1-4 channels video input 60f per card. Max 4 cards 1 channel analog switch output (optional) 120M/h-150M/h hard disk place 4 channels input/output Support motion detection and area settable Automatic motion detection start up then display the electronics map. P/T/Z control Support more than 50 kinds of decode protocol. Can add protocol for customer. Support speed dome, matrix controller. Remote control Can transmit the video signal through LAN, ISDN, ADSL, DDN, etc. Support P/T/Z control through the network Support IE browse. Built-in web server Replay video signal through network Record and playback 2-4 channels real-time MPEG 4 record Selectable schedule record, manual record, motion detect start record, alarm start record. Search based data, event, channel. Diff speed F.FW and F.FB Support frame capture and electronics zoom in/out Support Electronics map and watermark