Chamberlain Garage Door Opener, Battery Power Source, HP Rating: 1/2 hp, Remote Access, Drive System: Chain, 7 ft Rail Length, 1 Bulbs, Gray, Operating System Compatibility: myQ and Security+ 2.0, Suitable for: 7 ft Garage Doors, Includes: (1) 3-Button Visor Garage Door Remote, (1) Safety Sensor Kit, (1) Pushbutton Door Control and (1) Battery Backup System Replacement Battery
