Chamberlain 1/2 Hp (horsepower) chain drive with (1) 3-button remote. One 100-watt max non-halogen or 26-watt max CFL light bulbs (not included) ensures safe, secure mobility. Online installation videos, pre-programmed remotes, snap-lock rail system and tech support ensure installation goes smoothly. System includes: Garage Door Opener, Garage Door Opener Rail, Durable Chain, (1) 3-Button Remote, Wall Control, Safety Sensors, Mounting Hardware & Manual, 100 Watt Lighting. Designed specifically for 7 ft. garage doors - extension kits required for 8 ft. (7708CB-P, SKU 112992) and 10 ft. (7710CB-P, SKU 113069) doors. Warranty Protection includes: 6 year motor with a 1 year warranty on chain, parts, and accessories. System is upgradeable to smartphone control to open, close, and know the status of your garage door from anywhere with the purchase of Smart Garage Hub (MyQ-G0301, SKU 100362 required and sold separately).