Input Type: BNC Video Input:4 Cams ... format * 4 screen display modes are available * Multi alarm triggering method: sensor, motion, video loss, ... 30 fps adjustable for each channel * Support multi-channel playback, searching by time/date and recording ... ,352x288(PAL)640x480,320x240(NTSC)Recorder MediaHDD, USB Disk, ZIP, CD-R/WRecord ModeMotion/Sensor ... 9.0USB2.0 LW-USB4 USB DVR /USB recorder