LiftMaster 841LM Automatic Garage Door Lock sw470 capacitor …… The SURF has a

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

LiftMaster LJ8900W Light-Duty Commercial Door Operator for Sectional Doors

LiftMaster Motor (2HP

Operating current: 20mA standby / 50mA detect

Operator with small width for installations also in reduced spaces

LiftMaster 841LM Automatic Garage Door Lock sw470 capacitor …… The SURF has aLiftMaster 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: