Replacing Garage Door Opener Craftsman Unit

Uses a 100W light bulb or CFL equivalent. 100% New pulled from Incomplete New Craftsman Garage door opener box. Craftsman Series 100 Garage Door Opener 1/2 HP Chain Drive. Opener only craftsman series 100 garage door opener 1/2 hp chain drive 57963 the craftsman series 100 garage door opener (#57963) can lift the heaviest garage doors with a powerful 1/2 hp dc motor.