Powerlift 1/2 HP AC Screw

Exclusive design provides maximum lifting force with no gears or belts to wear out. Solid steel screw provides unparalleled strength and security. Proprietary screw processing ensures smooth, quiet operation. Fewer moving parts means less maintenance and increased reliability. Intellicode access security system prevents unauthorized access to garage. Self-diagnostic safety beam makes critical evaluations and signals homeowner if a problem is detected. Features six-part safety package to ensure safe operation. 10 year motor warranty and 2 year parts warranty. Includes two 1-button remotes and a lighted wall button. 2-bulb system with 5-minute light delay.