. Clark's Door & Service

LiftMaster 8550W

DC Battery Backup Belt Drive Wi-Fi Garage Door Opener

Features belt drive system and DC motor for quiet operation.
Built-in Wi-Fi® allows for smartphone control with the myQ® app.
Battery Backup allows you to open/close your door even when the power is out.
Automatic Garage Door Lock deadbolts your door after closing.
Enables secure in-garage delivery for Amazon Prime packages. Check availability in your area.


Accessory Warranty: 1 Year Remote Control
Motor Warranty: Lifetime
Belt Warranty: Lifetime
Parts Warranty: 5 Years


893 MAX / 3-Button Visor Remote Control Included
485LM Garage Door Opener Battery


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