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LiftMaster 841LM Automatic Garage Door Lock

Powerful add-on accessory works automatically with the opener. Deadbolt lock reinforces the garage door automatically when the garage door is closed. Performs in tandem with the opener, so it always locks and unlocks.
Availability: In stock
841LM LiftMaster Automatic Garage Door Lock For 8360WLB, 8550WLB, 8580WLB, 8587WL, WLED And 8500W, Please Note, This Device Is Not Backwards Compatible, Opener Will Have "Auto Lock Capable" Printed On Carton.