SD card vehicle DVR,car surveillance machine

1, support 1 4 way real-time audio and video recording: 2, support video mode and tv mode 3, video OSD overlay 4, support more video mode . 5, support the hard disk automatically covered, protect alarm video 6. support the playback of audio and video synchronization 7. supports a variety of traditional playback function 8. support to playback of a powerful PC-side analysis 9. supports a variety of video file search function 10. support on-site at the same time video preview 11. support single screen, 4 screen display 12, support GPRS/CDMA/EDGE/3G network to remote monitoring and scheduling 13. the vehicle alarming information is automatically reported 14, can record vehicle speed and the door status and other information 15, can be reserved for 8 switch input port (requires optional cable), to achieve switching capacity of the collection 16, equipment can be checked for their own state, there is a tips when have fault. 17,GPS voice announcement automatically. 18,can upgrade software version through U disk or hard disk 19, support timer turn on/off Function 20, support the car keys on the control of the boot and delay off 21, input voltage :8-32VDC DC power supply