This 7 inch mirror monitor features clip on design, which attaches your existing rear view mirror with pressure clips without taking up room on your dash. 12-24V wide voltage protection design.Most vehicles powered by 12V, but sometimes it actually run higher than 12V. In order to protect the camera from voltage fluctuation, it is designed with 12-24V. This backup camera system works with. 1 X tailgate handle rear view. 1 X 7 inch clip-on rear view mirror monitor. 1 X 10 meters extension cable with RCA connector. 1 X power connection cable. We are not responsible for consequential damages of any kind. Feedback is very important for us.