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Security's Sound.

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 VIRTUALLY IMPENETRABLE.

 The sound of the Automatic Garage Door Lock engaging lets you

know you are protected with an added layer of security.

  

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Complete Confidence.

 AUTOMATIC GARAGE DOOR LOCK

Model 841LM

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ANTI-THEFT

Safeguard your home from intruders with an extra level of protection from the Automatic Garage Door Lock.

REMOTE ACCESS

Smartphone monitoring with the myQ app means you can get alerts and control the door from anywhere.

STORM DEFENSE

Engineered, tested and approved to meet hurricane-ready requirements* to safeguard your home and protect your belongings.

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*If your garage door requires a center post to be installed during a wind event, the LiftMaster Automatic Garage Door Lock cannot be used to replace that system. Our LiftMaster system requires your garage door meet all wind-load specifications and guidelines provided by your local building codes. For further information and to determine if your garage door qualifies for our approved, hurricane-ready solutions, please contact your LiftMaster Sales Representative or garage door opener manufacturer.