Automatic Garage Door Lock #841LM
![](https://b2013129.smushcdn.com/2013129/wp-content/uploads/2017/10/Liftmaster-841LM-garage-door-opener-Autolock-cropped.jpg?lossy=0&strip=1&webp=1)
Features:
- Absolute protection – A deadbolt lock makes your garage door virtually impenetrable.
- Audible Security – The sound of the lock engaging lets you know that your protected.
- Automatic Operation – Performs in tandem with the operator, it always locks and unlocks.
- Compatible with Security+ 2.0 garage door openers with MyQ technology and models that have the security shield located on the back of the openers. Only models 8550W, 8587W, & 8360W in 2017 and later have the security shield.
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