1.It needs a micro SD card, which should be original and high speed C10, 4-32GB.Be carful there are many copies in the market.
2. Do not charge via usb cable from computer, please charge via the 12V car charger. It may burn the motherboard if on truck of 24v power, please add a 24v to 12v converter.
3. To keep driving safe, as the car temperature is very high when outdoors in summer, if large battery, it will be easy to explode,so the battery of car DVR are produced very small. The battery is only to save the video when power off suddenly. Therefore please charge via car charger when used.
4. How to loop recording?
1> Please turn on the loop recording in the menu.
2> Please format the card in the camera before use.
3> Please turn low or off the G-sensor due to the high sensitivity, it will save many videos which can't be cycle covered, so the card is filled full soon, then it stops the video.
5. View Angle:
The angle showed in the display is not the view angle, please play the video on computer, it will be larger and clearer than in registrar.