Craftsman 1/2 HP Chain Drive Garage Door Opener with Battery Backup

1/2 hp DC Motor with Chain Drive|Battery Backup Unit|Illuminated Push Button|3-Button Remote Control|Photo Eye Safety Sensors Easy, Consistent Garage Access The Craftsman Series 100 Garage Door Opener (#57963) can lift the heaviest garage doors with a powerful 1/2 hp DC motor. The rugged chain-cable drive system delivers reliable and consistent operation, so you can get into and out of your garage with ease. A 5-piece sectional steel rail assembles easily, so you can get on with your day. 1/2 hp DC Motor with Chain Drive Battery Backup Unit Illuminated Push Button 3-Button Remote Control Photo Eye Safety System