... High resolution recording, up to mega-pixel for 4 channel(1280x1024) and D1 resolution for 1 channel(704x576).3. Compact size, much ... 7. Support automatic record, event trigger record, schedule record.8. Can record speed with audio and video. Support overspeed ... 1 ignition sensor, 3 sensors for brake, return etc.COM PORT2 RS232 port, 1 RS485 Port NETWORKRJ45,10M/100MGPSSupport GPS receiver(optional ...