The ERMSS1-01B motion RV mount fits most TVs 23″ to 43″ and 66lbs. This mount extends 15.8″ from the wall, provides cable access and management and is easy to install. Motion mounts provide minimal reflections and more seating locations. The ERMSS1-01B has a locking mechanism which holds the TV against the wall when not in use. Perfect for when RV is moving.