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

The transmitter is Multi-Code format providing 1

LiftMaster Medium-Duty Door Operator MT Installation Manual

The transmitter is Multi-Code format with two 10-position coding switches providing 512 possible codes for each channel

Allows for timed automatic door closure after the door reaches the fully open position

1 - No Touch Exit Button (FAS-T7A or FAS-T7D)

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: