Liftmaster 41a4373a Garage Door Openers 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.