QSPDVR04 is a PCI Card installed in a PC that will display and record live video from the cameras connected. It has 4 channels video input, the maximum display/recording rate is 25 fps under PAL ·format, and 30 fps under NTSC format. One PC can use 4 cards simultaneously, with 16 channels video input as the maximum number. Total resource is 100 fps under PAL format, and 120 fps under NTSC format. 1-16 channel video input, 1/4/6/8/13/16 screen display modes are available. Multi alarm triggering method: sensor alarm, motion detection, video loss, and HDD sources shortage. Also supports schedule recording mode. Video compression format: MPEG4. 5 level recording quality options available, and the recording frame rate range from 1 to 30 fps adjustable for each channel. Recycling recording method available. Support multi-channel playback, searching by time/date and recording events,images can be zoom/capture/save/print/backup. Support remotes surveillance and PTZ control through web browser, support dynamic domain name.