Chamberlain B550 myQ Smart Garage Opener

The Chamberlain B550 features an ultra-quiet, extra strong steel-reinforced belt drive and built-in Smartphone Control. With the Chamberlain myQ app, you can get real-time alerts and open, close, or know the status of your garage door and more—from anywhere. Powered by Chamberlain’s Lift power System™, it delivers the highest lifting capacity compared to the 1/2 power class.