Backup lines optional to turns on-off, Built in record function and loop recording, Wide viewing angle of 150 degrees, The image could be fliped between mirror (rear view) and facing(front view), ‎Dig

RV Backup Camera Wireless 7-Inch: Recording Plug-Play Easy Setup for Furrion Pre-Wired System Truck Trailer Back Rear View Camera Touch Button Monitor Split Screen 4 Channels AMTIFO A7