Liftmaster 841LM Automatic Garage Door Lock

Liftmaster 841LM Automatic Garage Door Lock

• The 841LM works automatically with your garage door opener so it always locks and unlocks with every operation of the door.
• The model 841LM 12V lock is only compatible with the following garage door opener model numbers: 8550WL, 8587WL, 8360WL, 8500W.
• It is not interchangeable with the 24V lock used on residential jackshaft garage door opener models 3800, 3900 and 8500.
• Add a lock to each side of the door for the best defense against high winds and storms and intruders

Safety and Security: Absolute protection, the automatic deadbolt lock makes the garage door virtually impenetrable Audible security, the sound of the lock engages providing homeowners with assurance that the door is closed and secure. Compatibility: Works with three new select LiftMaster Auto Lock Capable Garage Door Openers 8550W DC Battery Backup Belt Drive Wi-Fi 8587W ¾ HP AC Chain Drive Wi-Fi 8360W DC Battery Backup Capable Chain Drive Wi-Fi WITH AOD- always know your buying genuine product. 1 Can AOD lubricant with every order.