Functions:
1.Car staring:Display front/rear/left/right four camera image in quad-split
mode and start to recording. 
2.Left turning: Display pictures in tri-split mode with left,front and back view.
3.Right turning: Display pictures in tri-split mode with right,front and back view.
4.Reversing: Display Rear view camera and 360 around simulation panorama 5.view.
6.Warning lamp turn on:Display pictures in tri-split mode with front, right, and left view.
7. Car stop:could set 1-24 hours delay recording after car parking. (need custom-built)
 
Specifications 
1.Operation language: English/Chinese
2.Operation interface: Graphical menu operation interface(OSD menu) for IR remote control
3.Video input: 4-ch video input 
4.Video output: Single channel composite video output 
5.Display mode: Single frame/three frame/four frame display 
6.Video standard: NTSC/PAL 
7.Video compression: H.264 Main profile
8.Recording mode:automatical recording/detect recording/manual recording
9.Recording channel:4channels(1-4 channels optional)
10.Records playback:available
11.Data storage:support 4G~32GB SD card
12.Software upgrade: Support SD upgrade 
13.Working voltage: 12V DC 
14.Working current: 400mA
15.Working temperature: -20—80°C 
How to get 360 degree,it need to connect the following cables :
1. yellow cable is connected to 12V constant electric,
2. red cable is connected to ACC,
3. black cable is connected to grounding wire,
4. blue cable is connected to reversing detection wire,
5. yellow RCA is connected to video wire,
6. the white trigger wire of left view, right view and rear view extension wire----
white trigger wire on left view extension wire is connected to the positive pole of left turn light, white trigger wire on right view extension wire is connected to the positive pole of right turn light, the white trigger wire of rear view extension wire is connected to the positive pole of back-up light.
7.All cables are connected correctly and it will be OK to use 360 degree.