Chamberlain is the most trusted brand of garage door openers, designed with the safety of your home and family in mind. Perfect for attached garages, the B4505T will give you years of smooth, quiet performance, while integrated myQ technology lets you control, secure and monitor your garage from the myQ app - anytime, from anywhere. The B4505T is equipped with cutting edge technology. Features: Smartphone control: download the myQ app and follow the steps to connect your new garage door opener so you can control, secure and monitor the garage from your smartphone - anytime, from anywhere Works with key by amazon: link to key by amazon in the myQ app for secure and convenient in garage delivery of groceries and amazon packages Next generation garage technology: improved Wi-Fi connectivity and enhanced memory to support new myQ features and solutions Integrated Bluetooth technology: reduces setup time and makes it even easier to connect to the myQ app, other myQ devices and smart home technology solutions Quiet operation: an ultra-quiet DC motor and soft start/stop smooth operation ensures for comfortable living spaces near the garage Trusted security: security and 2.0 technology provides unmatched encryption (100 billion codes) Additional features: the opener also comes with two 3-button remotes, multi-function wall control panel, wireless keypad and safety sensors Additional assurances: lifetime motor and belt warranty, 5-year parts warranty, 1-year accessories warranty BILT intelligent instructions: 3D instructions for a quick, easy installation California residents see prop 65 warnings