You are bidding on a brand new set of Liftmaster Garage Door Opener Safety Reversing Sensors.
These sensors are installed on the lower left & right sides of the track, inside of your garage door and will detect any obstacle in the path of its electronic beam.
In the event of an obstacle being detected, the door would reverse for safety. These sensors and brackets are new from the package from Liftmaster.
Note : the sensors will work on sears craftsman openers & chamberlain openers as well. If you have any questions feel free to ask away.
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