LiftMaster 841LM Automatic Garage Door Lock sw470 capacitor with 14-foot arm length

with 14-foot arm length

…… The SURF has a full aluminum body (even the back where you fit the bracket)

All accessory connections 24 VDC

Operating current: 20mA standby / 50mA detect

designed to operate gates up to 13 feet wide and weighing up to 400 lbs

LiftMaster 841LM Automatic Garage Door Lock sw470 capacitor with 14-foot arm lengthLiftMaster 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: