Digital Wireless Signal Stable, Backup lines optional to turns on-off, Built in record function and loop recording, Support Split Screen(4 wireless Cameras can be switched), Wide viewing angle of 170

RV Backup Camera Wireless Dual Cameras: One for Trailer One for Truck Recording Easy Set-up Plug and Play for Furrion Pre-Wired Mount Kit 4-Channels HD 1080P 7” Touch Key Monitor LeeKooLuu – LK8