- When connected to a LiftMaster Garage Door Opener the light will flash when the door is in motion
- Provides an additional measure of safety to the installation
- Connects to garage door opener logic board
- Lamp voltage: 230V
- Includes: lamp assembly, light bulb and mounting hardware
- Compatible with LM60, LM600A, LM800A ,LM1000A, 3780 and 5580