Chamberlain 1/2 Hp (horsepower) chain drive with (2) 3-button remotes. Two 100-watt standard or CFL bulbs (not included) provide ample light for confident and safe movement around the garage. 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, (2) 3-Button Remotes, Wireless Keypad, Dual-Function Wall Control, Safety Sensors, Mounting Hardware & Manual, 200 Watt Lighting. Designed specifically for 7 Ft. garage doors - extension kits required for 8 Ft. (Model 7708CB-P, SKU 112992) and 10 Ft. (Model 7710CB-P, SKU 113069) doors. Warranty Protection includes: 10 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).