Function Specifications：
1, support 1 ~ 4 way real-time audio and video recording:
2, support video mode
3, support PAL format, NTSC format
4, video OSD overlay
5, support for manual video, timing video, alarm event video (pre-recorded), etc.
6, support the SD card automatically covered, protect alarm video
7, supports 4-way recording
8, support the playback of audio and video synchronization
9, support the one-way video playback
10, supports a variety of traditional playback function
11, support to playback of a powerful PC-side analysis
12, supports a variety of video file search function
13, support on-site at the same time video preview
14, support single screen, 4 screen display
15, support GPS module. can GPS positioning function
16, can record vehicle speed and the door status and other information
17, can be reserved for 8 switch input port (requires optional cable), to achieve switching capacity of the collection
18, equipment can be checked for their own state, there is a tips when have fault.
19, there have a status indicators on equipment front panel
20 ,can upgrade software version through U disk or hard disk
21, support timer turn on/off Function
22, support the car keys on the control of the boot and delay off
