LiftMaster 8550W Belt Drive

8550 Belt Drive

DC Battery Backup Belt Drive Wi-Fi Garage Door Opener

  • Ultra smooth and quiet operation.
  • Full suite of smart home features.
  • Works during a power outage.



Home Connectivity


Safety & Security

Easily Connect

- Easily connect to a home network with built-in Wi-Fi®.


- Open, close and receive alerts about garage doors on a smartphone.

Syncs With

- Syncs with popular smart devices and platforms*.

*Linking your myQ account to Google Assistant and/or IFTTT requires subscription fee of $1 a month or $10 for an annual subscription. See full list of partners at

MyQ Schedule

- Set a recurring schedule to close the garage door or turn myQ lights on/off.

Virtually Silent

- Keep living spaces virtually silent with the extra-strong belt drive system.

Battery Backup

- Get in and out when the power's out with Battery Backup. Meets California SB-969.

DC Motor

- Enjoy extra peace and quiet with the long-lasting DC motor.

Smooth Start

- Extend hardware life and reduce maintenance with smooth start/stop operation.

Secure Code

- Confidently know that every click sends a secure code to the garage door opener.

Virtually Impenetrable

- Make the garage virtually impenetrable by adding the Automatic Garage Door Lock.

Safety Sensors

- Protect people and vehicles with safety sensors that stop the door from closing on obstructions.

Automatically Protect

-Automatically protect against forced openings of the garage door.



Drive Type Belt
Lights Turn On When Entering Garage Yes
Smartphone Control Yes
Timer To Close Yes
Battery Backup Yes
Security / Lock Yes
Soft Start / Stop Yes