Detailed Description Model Number: KDM-404UD Introduction: 1) 4 channels video input in one card, 2 channels audio on board, 1 channel PC audio, 2) the maximum display / recording rate is 25 fps under PAL format, and 30 fps under NTSC format., dvr card 3) Multi alarm triggering method: sensor, motion, video loss, and HDD space shortage. 4) Support schedule recording mode, recycling recording method available. 5) MPEG4 video compression format. 5 level recording quality options available, and the recording frame rate range from 1 to 30 fps adjustable for each channel. 6) Support multi-channel playback, searching by time / date and recording events, images can be zoom / capture / save / print / backup. 7) Support remote surveillance and PTZ control through web browser, support dynamic domain name 8) Remote playback function. 9) Configurable auto reboot function for preventing PC deadlock. 10) Auto mail System Requirements: CPU Intel P4 Celeron processor minimum 1700MHz Motherboard Intel 845/865/915 series HDD 80G minimum RAM 256M minimum VGA GeForce2 GeForce4 FX5200 ATI Rage128 OS Windows 2000/2003/XP/Vista DirectX 9.0 USB 2.0