Technical Index: Video Compression: MPEG4 software compression Display and record resolution 320X240/352X288 1-4 channels video input 40f per card. Max 4 cards 1 channels audio input from sound card 1 channel analog switch output Max 2 channels audio input 120M/h-150M/h hard disk place Alarm control Use alarm box to make alarm function. RS232/RS485 Communication, max 255 channels alarm input/output. 8 channels input/output each alarm box. Automatic record when alarm is triggered. Can control automatic record time when alarm is triggered. Support channels alarm output, can connect to light, bell, etc. Alarm device. Support motion detection and alarm areas settable Automatic record when motion detection is triggered, then display the electronic 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 and audio signal through LAN, ISDN, ADSL, DDN, etc. Support P/T/Z control through the network Support IE browsing. Built-in web server Replay video and audio signal through network Record and playback 2-8 channels real-time MPEG4 record Selectable schedule record, manual record, motion detection triggered record, alarm triggered record. Search files based on date, event, and channel. Diff speed F. FW and F. FB Support frame capture and electronic zoom in/out Support Electronic map and watermark System requirement OS: Windows 2000/XP CPU: P3 1G or higher Memory: At least 128M of RAM (256M required for 16 cameras) Hard disk: 80G Mother board: Based on Intel 815/845 chipset or higher. VGA card: ATI RAGE 128 or higher Windows Directx8.0 or above