The Chamberlain Garage Door Opener Replacement Safety Sensors (2-Pack) help ensure your garage remains safe. The sensing units predict an unnoticeable light beam across the within of the garage door to ensure that if anything is can be found in or heading out. The door automatically reverses before striking anything or anybody.
- Replaces malfunctioning or broken sensors.Fits Chamberlain garage gain access to systems manufactured after 1997. Detects things in the path of opening/closing garage door to help avoid accidents.Offers comfort and safe operation.Includes 2 security sensors, mounting brackets and 18 in. of extension wire.