A dash cam with a rear camera, supporting 4K Ultra HD recording quality! 4K front camera, 2K rear camera. Supports night vision. Supports audio. Simultaneous front and rear recording. Contains a sensor that records when the car locks. Mounts in the car's fuse box. Supports up to 256GB of storage. Contains a control app. These cameras are excellent for frequent travelers or even for documenting any accidents or unusual situations within the city.