- Can directly replace your original reaview mirror                                                                                         - With 2 video input
- AV1 connects to car DVD, VCR and other video equipment;AV2 to car backup camera parking rearview priority: The monitor will start up automatically, and synchronously display the video from rearview camera when you're backing your car; the monitor will close itself after backing. Scenes will cut to rearview camera automatically while you're backing the car and change back to the original scene after that.