LiftMaster® 8550 Elite Series® DC Battery Backup Belt Drive
Power up even when your house’s power is out with the 8550 Elite Series® DC Battery Backup Belt Drive residential garage door opener. Built for performance, the 8550’s P3™ Motors are reliable, durable and powerful – designed specifically for your needs. DC motor belt drive system is powerful yet ultra-quiet and maintenance-free.
The 8550 features MyQ® technology, which enables you to securely monitor and control your garage door opener and houselights with your smartphone, tablet, and computer. Alerts can be received as email or pop-up (push) notifications on your mobile device so you always know the status of your garage door and houselights. MyQ mobile app is a free download requiring no annual activation fee.