Chamberlain Replacement Safety Sensor (2 Count) Pack options:Pack of 1 Reinforced for improved traction and

Reinforced for improved traction and durability

Outstanding corrosion resistance

Inconspicuous

8 ounces renews approximately 300 square feet of cedar closet lining

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Chamberlain Replacement Safety Sensor (2 Count) Pack options:Pack of 1 Reinforced for improved traction andThe Replacement Safety Sensors project an invisible light beam across the inside of the garage door to prevent accidents and are required for safe use of all Chamberlain Garage Door Openers. Whenever there is an obstruction, the garage door will automatically reverse before causing any damage. Chamberlain compatible, these sensors replace defective or damaged sensors for every Chamberlain Garage Door Opener manufactured after 1997. Easy setup and