The Chamberlain B4310 delivers ultra-quiet, reliable performance—perfect for attached garages where keeping the peace matters most. Its smooth belt drive and DC motor minimize noise while maximizing convenience. An included battery backup ensures you’re never locked out, even when the power’s out. A built-in video camera keeps an eye on what matters most, and with the myQ app, you can open, close, and monitor your garage from anywhere. Whether you're across town or settled in for the night, you’ll always know your garage is secure. Easy to use, thoughtfully designed, and built for everyday life—it’s a powerful step up for any home.