Features4-channel video input in one card, the maximum display/recording rate is 25 fps under PAL format and 30 fps under NTSC format 4 screen display modes are available multi-alarm triggering method: sensor, motion, video loss and HDD space shortage supports schedule recording mode, recycling recording method available H.264 video compression format, 5-level recording quality options available and recording frame rate range from 1 to 30 fps adjustable for each channel supports multichannel playback, searching by time/date and recording events, image zoom/capture/save/print/backup supports remote surveillance via CMS software remote playback function configurable auto reboot function for preventing PC deadlock auto e-mail notification minimal system requirements: supported OS: Windows XP/Vista & Windows 7 32/64-bit CPU: Intel Pentium III 800 RAM: 256MB HDD: 80GB VGA: nVidia GeForce II MX200 32M Specificationsinput: RCA video input: 4 channels (RCA) 1.0Vpp / 75 ohms audio input: 2-channel PC audio video output: 1 channel VGA video output (USB 2.0) alarm input/output: 4 channel input / 1 channel output display rate: 25 fps (PAL), 30 fps (NTSC) recording rate: 25 fps (PAL), 30 fps (NTSC) compression format: H.264 triplex image display : each or quad video resolutions: PAL: 704 x 576 (D1), 352 x 288 (CIF) NTSC: 640 x 480 (D1), 320 x 240 (CIF) recorder mode: HDD, USB disk, ZIP, CD-R/W record mode: motion - sensor - schedule - manual network: TCP/IP I/O device: 4-channel hi/low input, 1-channel relay output PTZ: configurable protocol, remote control possible remote software: supports IE web browser