841LM AUTOMATIC GARAGE DOOR LOCK

Security’s Sound.  It’s your biggest door.  Give it an extra layer of protection.

The Automatic Garage Door Lock works with select new LiftMaster® Garage Door Openers to secure your garage door automatically ever y 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, s o i t a lways 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

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