Wiring suggestions & Camera ProtectionTo ensure a stable power and avoid the problem of the camera not turning on, please use the original car charger and original power cable to connect the dash cam, don't use the mobile phone charger and cable. The camera is equipped with a built-in temperature sensor that triggers automatic shutdown under extreme hot temperatures to protect internal components. This overheat protection design is to ensure camera safety, not a defect. 3 Channel 4K Dash Cam with Sony STARVIS 2 Sensors The 3-channel dash cam A229 Pro 3CH is equipped with two flagship SONY STARVIS 2 image sensors, IMX678 and IMX675. It supports 4K resolution for the front camera, 2K for the rear camera, and 1080P for the cabin camera. It delivers smooth cinematic 4K image quality and ensures effortless license plate reading and detail capturing, day and night. Providing you all-around security monitor. It's a great choice for family trips/Uber/Lyft drivers. HDR for ALL