Chamberlain Liftmaster 41A4373A Safety Sensors
- For garage door openers that currently have sensors installed.
- 41A4373A Sensors are compatible with LiftMaster and Chamberlain Brand from 1993 – late 1990’s.
- Each sensor has a green light and a bolt that runs right through the center of each sensor.
- Designed to splice into your existing wires.
- Includes 1-sending unit, 1-receiving unit, Wire connectors, and instructions – no brackets.