LiftMaster 841LM Automatic Garage Door Lock linear ak11 The transmitter is Multi-Code format

The transmitter is Multi-Code format providing 1

For use with various LiftMaster® Gate Operators and Perimeter Access Solutions

LiftMaster Medium-Duty Door Operator MT Installation Manual

6 inches *Duty Cycles depend on gate size and installation

Click here to see single kit option

LiftMaster 841LM Automatic Garage Door Lock linear ak11 The transmitter is Multi-Code formatLiftMaster 841LM Automatic Garage Door Lock The Automatic Garage Door Lock is a powerful add on accessory that works automatically with the opener. When two locks are installed, the two point locking system has been engineered, tested, and approved to meet hurricane ready requirements by reinforcing the garage door automatically. Features Automatic Operation: Performs in tandem with the opener, so it always locks and unlocks. Anywhere Assurance: