Liftmaster 3850 3/4 HP DC Motor Belt Drive with EverCharge Standby Power System Auto-force feature constantly monitors garage door system The Smart Garage Door Opener lets you electronically program remotes from the Smart Control Panel Enclosed case provides continuous lubrication and protection for longer life and smoother operation Delivers 200 watts of light with adjustable light time delay Includes 3850 opener, remote, 373P remote control, and smart control panel.