CJC400D:

The Mobile Dashcam, please connect with :

ACC (Yellow) - > vehicle ON

B+ (Red) -> car battery +

GND (Black) -> Car battery -

For software quick manual , please check the link as below :

https://drive.google.com/file/d/1GcWlEek5v29UFU0VJEYf9O3r8fGZ0j5j/view?usp=sharing