FMVSS 111 regulates a necessary view behind a vehicle. The rule impacts vehicles with a gross vehicle weight rating (GVWR) of under 10,000 pounds, with phase-in effective by May 2017 and full compliance required by May 1st, 2018. ***The Flushmount Backup Camera is about 1.43" in diameter and mounts flush in the back of a vehicle. Simply drill a 1.02" hole at the rear of your vehicle with the included hole saw and the camera will mount perfectly in that space for a clean install. This camera will make your vehicle compliant with the FMVSS 111 viewing requirement. Comes complete with 700 TV Lines and a 170° viewing angle. Camera comes with cable (select length from dropdown) and the option for a 5 Pin connection (to connect to our systems) or an RCA adapter (to connect to an external display). *****Note: Camera must be installed between 5-96 off the ground in order to be compliant with FMVSS 111.