Add a LiftMaster 841LM automatic garage door lock to your LiftMaster residential garage door operator to add extra security to your home. This automatic garage door lock works with the opener. A deadbolt lock is activated when your garage door is closed and deactivates when the owner-controlled operator opens the door.This 841LM LiftMaster door lock from Garage Door Supply Co. is compatible with LiftMaster garage door opener models 8500W, 8550W, 8587W and 8360W made after August 2017. The door lock kit includes an automatic garage door lock, 33 ft. of wire, a template and two installation screws. A Wi-Fi or cellular data connection is required to use this add-on UL-tested LiftMaster home safety accessory.
COMPATIBILITY
The LiftMaster 841LM Automatic Garage Door Lock is compatible with select new LiftMaster Garage Door Openers featuring a Security Shield for absolute protection:
•LiftMaster 8500W Elite Series® Wi-Fi® Battery Backup Capable Wall Mount Garage Door Opener
•LiftMaster 8550W Elite Series® DC Battery Backup Belt Drive Wi-Fi®Garage Door Opener
•LiftMaster 8587W Elite Series®(Coming Soon) 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
WHAT'S INCLUDED
PRODUCT HIGHLIGHTS
•841LM
•Works with garage door opener to automatically engage, disengage deadbolt lock
•Compatible with post-Aug. 2017 LiftMaster 8500W, 8550W, 8587W, 8360W garage door operators
•Requires Wi-Fi or cellular data connection
•Includes automatic door lock, 33 ft. of wire, installation screws, template
•UL-tested
•To protect garage against high winds, storms, order two locks for each side of door
*NOTE