LiftMaster 8550WLB DC Battery Backup Belt Drive Wi-Fi Garage Door Opener

The LiftMaster 8550WLB 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 capable (lock not included). Works with Key by Amazon: Enables secure and convenient in-garage delivery and in-garage grocery delivery.

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LiftMaster 8550WLB Product Guide