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- Whenever there is an obstruction, the garage door will automatically reverse before causing damage
- For use with every Chamberlain® garage door opener manufactured after 1997
820CB/801CB REPL SAFETY SENSOR
Application: For preventing garage door from closing on people, pets or other objects
Includes: (2) Sensors Mounting Bracket Hardware
Replacement safety sensors for Chamberlain garage access systems. Fits Chamberlain garage access systems manufactured after 1997. Prevents garage door from closing on people, pets or other objects. Replaces damaged safety sensors. Includes two sensors and mounting brackets and hardware.