841LM Automatic Garage Door Lock
GARAGE DOOR ACCESSORIES
It's Sound Security For Your Biggest Door.
The Automatic Garage Door Lock works with select new LiftMaster® Garage Door Openers to secure your garage door automatically every time it closes. For complete security that you can hear.
- Absolute Protection - A deadbolt lock makes your garage door virtually impenetrable.
- Audible Security - The sound of the lock engaging lets you know that you’re protected.
- Automatic Operation - Performs in tandem with the opener, so it always locks and unlocks.
- Anywhere Assurance - Smartphone monitoring with the MyQ® App means you always know that the garage is secure.
Compatible with LiftMaster Autolock Capable openers 8550WAL, 8587WAL and 8360WAL