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, that the door automatically reverses before hitting anything or anyone.
- Replaces defective or damaged sensors
- Detects objects in the path of opening/closing garage door to help prevent accidents
- Offers peace of mind and safe operation
- Includes 2 safety sensors, mounting brackets and 18 in. of extension wire