Chamberlain Smartphone-Controlled Belt Drive Garage Door Opener B550

The Chamberlain B550 is a quiet strong and durable steel-reinforced belt drive garage door opener with smart technology that gives you more control and makes managing your home and life easier. Perfect for attached garages itas precision engineered for years of reliability and smooth performance you can sleep through. Powered by Chamberlainas Lift Power System it delivers the highest lifting capacity compared to the power class. With built-in Wi-Fi and the Chamberlain MyQ App you can get real-time alerts open close and know the status of your garage door from anywhere. Designed and engineered for safety and security it includes a dual-function wall control panel a wireless keypad and features enhanced Triband technology for superior range performance and less interference. The highest level of encryption and monitoring paired with your homeas ISP and Wi-Fi router firewalls guard against hacking. Accepts two 100-watt max non-halogen or 26-watt max CFL light bulbs (not included). Designed specifically for 7 ft. garage doors - extension kits required for 8 ft. and 10 ft. doors.