Model: GV-900 MPEG-4 Software Compression Compression Format: Wavelet, MPEG-4, GeoMPEG-4 Video Input: 8, 16 Cams Audio Input: 4 channels Recording Rate:240 fps (NTSC), 200 fps (PAL) Display Rate:240 fps (NTSC), 200 fps (PAL). Video Resolution:320x240, 640x240, 640x480, 640x480sw Support IE Remote Functions Alarm: Motion detection / Video lost detection Multi Level Passwords Protection Full Screen Display/ Mini-View Display Support: PTZ Control Support GV-DSP Networks Support: TCP/IP, LAN, WAN, Internet, Modem Backup Devices: HDD, CD-R, DVD+-RW, DVD+-R OS Supported: Windows 2000 / Windows XP / Windows Server 2003 System Requirements Pentium IV 2.8 GHz, 800 MHz FSB RAM: 256MB Input Type: D-Type: DB15 X 2