WHAT'S INCLUDED – Rear camera and rear camera cable SIMPLE INSTALLATION – Easily connect this rearview camera to the M1 Pro, M2, or M3 mirror dash cameras through one extended cable. ULTRA WIDE ANGLE LENS – Enjoy a 170° degree wide-angle lens that captures sweeping footage of the view in the back. Compatible with Rexing M2, M3, M2 Max, M2 Max Pro, M4-4, CPDuo, CPDuoPro, CPDuo-686