HBM-09CE 9-Channel Multiplexer, B/W, Duplex, Digital Video Full Duplex Multiplexing allows video recording while viewing live video or video playback High Resolution Color Display NTSC FORMAT 1024*480 active pixels, PAL format 1024*576provide high resolution and true color for detailed surveillance and easy identification On-Screen Display Programmable on-screen displays options identify date, time, location, and an alarm and video loss message is displayed to alert the operator Multi-screen display full,PIP,2*2,3*3, and 4*4. Plus Live picture formats are available during live or playback mode OSD Impedance Function each input has its own impedance switch when looping is required Trigger Recording synchronizes with an external VCR switch pulse and provides the best picture for any VCR recording mode Adjustable recording to prevent unsynchronized recording, an on-screen menu permits the user to program a custom interval to match the picture sample rate of virtually any VCR