TProduct explanation 1. MPEG4 compression Compression scaled height of burst 2. Display quality good high clear picture nature 3. Uses the SOC single chip, High stability 4. Linux Operating system, Net biography effect to be good 5. Each kind recording pattern Continuously, Motion detection,Sensor Triggering,Time advancement video recording 6. Many search modeTime search Event tabulation 7. Support channel hideaway and the wheel follows 8. Support motion detection reports to the police with the video signal loss warning function Technical parameter: echnical parameter: Model No. SK-4104 SK-4109 SK-4116 Video Input 4CH BNC Input Duplex Signal 9CH BNC Input Duplex Signal 16CH BNC Input Duplex Signal Video Output 2CH/BNC/Input Duplex Signal 1CH/BNC/InputDuplex Signal 2CH BNC Input Duplex Signal Display Resolution NTSC:720*480 NTSC:720*480 NTSC:720*480 PAL:720*576 PAL:720*576 PAL:720*576 Display Mado NTSC:120f PAL:100f NTSC:270f PAL:225f NTSC:480f PAL:400f Record Resolution NTSC:720*240 NTSC:720*240 NTSC:720*480 720*240 360*240 PAL:720*288 PAL:720*288 PAL :720*576 720*288 360*288 Record Mado NTSC:60f NTSC:60f NTSC:60f720*240120f360*240 PAL:50f PAL:50f PAL:50f720*288100f360*288 Hardware Copmpression MPEG4 Picture Quality Low ,Normal, HighSuperelevation HDD Interface ATA-100 PATA-100 ATA-100 Display Modes Continuously, Motion detection,Sensor Triggering,Time advancement Alarm Input/Output 4CH Input/2CH Output 9CH Input /1CH Output 16CH Input/2CH Output PTZ Control PS-485 Port USB Port USB2.0 Simplex/Duplex/Three labor Simples Three labor Audio 2CH Input /2CH Output 1CH Input /1CH Output 4CH Input/1CH Output Net Port RJ45 Net Agreement TCP/IP Net Surveillance IE VGA Input Match Remote Control Infrared Remote Control Power Supply DC 12V/3A DC 12V/3A DC 12V5A Dimensions 345*226*52(D * W *H) 400*275*70MM(D * W *H)