Chamberlain Smartphone-Controlled Ultra-Quiet Garage Door Opener, Strong Belt Drive, 120 V, 7 ft Door, Blue

Smart garage door opener comers with built-in MyQ technology to keep you connected and protected: open, close and know the status of your garage door from anywhere with a smartphone with the MyQ app; ultra-quiet and strong belt drive - steel-reinforced belt drive and constructed with high-grade materials for years of reliability and quiet, smooth performance - perfect for attached garages; powered by Chamberlain's MED lift power system, the B550 delivers the highest lifting force equivalent capacity compared to the 1/2 power class for effortless lifting and reliable performance; superior range - includes 2 3-button remote controls that let you control up to 3 openers; 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 home's 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' garage doors - extension kits required for 8' and 10' doors.