Your garage is more than just a place to park your carit's a main entry point and an active "hub" of home and life. A leader in garage access management solutions, Chamberlain's innovative Smartphone-Control features make monitoring and managing home activity easy. The B4505TC runs smoothly, safely, and is customizable to fit your needs and make your daily routine more efficient. The B4505TC features an ultra-quiet, extra strong steel-reinforced belt drive plus built-in Smartphone Control. With the Chamberlain myQ App, you can get real-time alerts, open, close, and know the status of your garage door and morefrom anywhere. Powered by Chamberlain's Lift power System, it delivers the highest lifting capacity compared to the ¾ HP.