SPECIFICATIONS: Enhanced MPEG-4 Compression Technologies; 8ch real time per card; Supports up to 24 Channel Cameras per PC; Video & E-Map Display Model; Camera Mask: The Camera can be hid and the recording video cant be playback to the User who has no view & playback right Smart Recording Video Search Playback Advanced Motion Detection Audio Recording (optional) Networking Support Multi-Levels Control; Remote view and control PTZ through LAN, Internet; Remote talk; Support IE remote monitor; Watermark; Watchdog; TV out All channels video can be switched to Monitor or Television automatically or manually. FEATURES: Compression Format: MPEG4 Compression Spaces Rate: 20-150M/ch/h Display Rate:240 fps (NTSC) 200 fps(PAL) Video Input: 1-8channel/card Audio Input: 8ch (optional) System Support: 24channels/3cards Alarm Function: 8ch input,output/card Alarm Recording: YES PTZ Control: YES Network Transmission: IE Operating System: Win2000/xp