Chamberlain G801CB-P LiftMaster/Craftsman 801CB Garage Door Opener Replacement Safety, Includes 2 Sensors, Mounting Brackets and Hardware, 1 Pack, One Color
The Chamberlain Garage Door Opener Replacement Safety Sensors (2 Pack) help make sure your garage remains safe. The sensors project an invisible light beam across the inside of the garage door to ensure that if anything is coming in or going out. The door automatically reverses before hitting anything or anyone.