Product Description 4 channels 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. Support schedule recording mode, recycling recording method available. 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. " Support multi-channel playback, searching by time/date and recording events, images can be zoom/capture/save/print/backup. Support remote surveillance and PTZ control through web browser, support dynamic domain name Configurable auto reboot function for preventing PC deadlock.