Elite Series® 8550W DC Battery Backup Belt Drive WiFi Garage Door Opener

Take convenience and safety to a whole new level with the Liftmaster® 8550W. The first WiFi® garage door opener makes it easy to control your garage door from your smartphone. The 8550W comes fully equipped with Security+ 2.0®, myQ® Technology, a backup battery, and the Timer-to-Close feature. The reliable battery backup system guarantees access in and out of your garage, even when the power is out.


  • myQ® Technology, now with WiFi, enables secure monitoring and control of your garage door opener with a smartphone, tablet, or laptop.
  • Alerts can be received as email or push notifications on your mobile device so you can verify the status of the garage door.
  • myQ® mobile app is a free download with no annual activation fee.


  • P3™ motors provide proven reliability and durability.
  • DC motor belt system delivers powerful, ultra-quiet performance.
  • Battery backup ensures access to your garage when the power goes out.
  • Dependable warranty includes lifetime coverage of motor and belt, five (5) years on parts, and one (1) year on battery.


  • Security+ 2.0® safeguards garage access – with every click, a new code is sent to the garage door opener so the door does not inadvertently open.
  • PosiLock® locks down the door by electronically monitoring against a forced opening.
  • Timer-to-Close automatically closes the door after a pre-programmed number of minutes.
  • Alert-2-Close warning system provides audible and visual warnings when a garage door is about to close when using myQ® Technology or Timer-to-Close.
  • Motion Detector is integrated into the Smart Control Panel®, providing rapid detection and illumination of your garage.
  • The Protector System® incorporates safety sensors, which emit an invisible light beam across the garage door opening, automatically reversing the door if an object interrupts the beam.


  • Smart Control Panel® (880LM) – Program remote controls, adjust settings, and get system diagnostics. Equipped with the Timer-to-Close feature, which automatically closes the garage door after a pre-programmed number of minutes. Displays time and temperature on an LCD panel and gives maintenance alerts. Compatible with LiftMaster Security+ 2.0® Garage Door Openers.
  • Integrated Battery Backup (485LM) – Provides the needed power when the power goes out to ensure ensuring access to your garage.
  • 3-Button Elite Remote Control (893MAX)Program up to three garage door openers, gate operators, commercial door operators, or myQ® Light Accessories. Compatible with all LiftMaster Garage Door Openers manufactured since January 1993.

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