Features:
- Garage Door Opener Universal Key Switch B100.
- Liftmaster 59LM Universal Key Switch, will work with all gate and garage door openers.
- Easy to install, includes key switch and weather proof mount plate.
- Never get locked out of the garage again, this item will activate the door using the key!.
- Liftmaster 59LM Universal Switch includes 2 keys, electronic switch and plate.