Garage Door Safety Sensors for LiftMaster, Chamberlain, and Craftsman Openers
If your garage door sensors look like one of these, you have a garage door opener manufactured by The Chamberlain Group, maker of several of the biggest brands.
LiftMaster is the professional line, and the Chamberlain and Craftsman brands are carried in stores for homeowner purchase and installation. They all use the same sensors.
Three Types of LiftMaster Sensors
Each generation of Chamberlain safety sensors have their own quirks, so click on the picture above for the guide to your specific model.
You may also find your answer in one of my quick guides about safety eye alignment, or overriding your safety eyes if you are in a rush to get your garage door closed.
The Beez Guide to Garage Door Infrared Safety Sensors may also be helpful, particularly if you are in the planning stage for an opener installation. It contains more general information.
If none of the pictures above look familiar to you, it could be that you have one of several other common brands.
Genie/Overhead Door Safety Sensors
Linear Safety Sensors
