![LiftMaster Automatic Garage Door Lock](https://images.prismic.io/lionsgate/d4857822-b80f-45d6-8fa8-8104f4d23639_liftmaster_841LM_left_2.png?auto=format%2Ccompress&fit=max&w=1080)
LiftMaster Automatic Garage Door Lock
LiftMaster Automatic Garage Door Lock (841LM)
- Powerful add-on accessory works automatically with the opener.
- Deadbolt lock reinforces the garage door automatically when the garage door is closed.
- Performs in tandem with the opener, so it always locks and unlocks.