LiftMaster 841LM Automatic Garage Door Lock

Add an extra layer of security to your garage door with the LiftMaster 841LM Automatic Door Lock from Action Industries. This powerful automatic deadbolt makes it virtually impossible for intruders to gain access to a garage. The 841LM smart lock is specially designed to automatically lock and unlock every time the door opens or closes. Its automatic locking and unlocking ensures peace of mind and garage door safety without having to manually engage and disengage the lock each time you operate the door. Adding one 841 smart lock to each side of the door not only enhances security but also provides support against high winds and storms.

Features:

• For use on residential garages with an entry door only

• Install on sectional doors with torsion assemblies only

• Automatic Garage Door Lock by LiftMaster

• Powerful deadbolt lock makes it impossible for intruders to gain entry

• Adds an extra layer of security on residential garage doors

• One year limited warranty

• The sound of the lock engaging lets you know that your garage is secure

• Add locks to each side for the best defense against high wind and storms

• Two lock installation has been engineered, tested, and approved to meet hurricane-ready requirements

• Certified safe solution that has been UL tested

• Can be released manually when needed

• Have assurance your garage is secure with smartphone monitoring via the MyQ App

• Works automatically with the operator to unlock when it opens and lock when its closed

Compatibility:

• The LiftMaster 841LM Automatic Garage Door Lock is compatible with select new LiftMaster Garage Door Openers with a Security Shield for absolute protection:

• LiftMaster 8550WL Elite Series DC Battery Backup Belt Drive Wi-Fi Garage Door Opener

• LiftMaster 8587W Elite Series 3/4 HP AC Chain Drive Wi-Fi Garage Door Opener

• LiftMaster 8360W Premium Series DC Battery Backup Capable Chain Drive Wi-Fi Garage Door Opener

• LiftMaster WLED DC Battery Backup Belt Drive LED Wi-Fi Garage Door Opener

• LiftMaster 8580WLB Elite Series DC Battery Backup Chain Drive Wi-Fi Garage Door Opener