Genie ISD990-2 Screw Drive Garage Door Opener, Excelerator™: E

Opens Twice As Fast: Allows quicker garage entry and exit, adds peace of mind at night. Eliminates aggravating waits.Opens twice as fast; closes at normal speed. Super quiet operation: Ideal for use near living areas and bedrooms. Excelerator™ is the quietest Genie screw drive available. Bright, wider angle lighting: Makes getting around in garage safer and easier. Two 60 watt bulbs provide optimal lighting where its needed. All weather performance: Superior hot and cold weather performance, even operates smoothly at -25oF (-32oC) More powerful motor design: Easily opens large sized doors. Flush mount design: Ideal for low clearance applications, can be installed against ceiling.

Genie IS550-2 Screw Drive Garage Door Opener: E

As the original screw drive manufacturer, Genie has been dedicated to providing the most complete garage door opening systems for more than 30 years. Each Genie® Screw Drive offers new features like Intellicode® Access Security, a code-changing technology that prevents thieves from entering the garage by eliminating Access Code duplication. Add that to our exclusive direct drive motor system, which provides maximum lifting force. Plus our custom-built motor -- created specifically for Genie´s direct-drive design -- and you get the best screw drive system in the business. Direct drive motor system for maximum lifting force. The screw drive is machined from one-piece of solid-steel for added strength and security. Fewer moving parts for years of reliable, quiet operation. Automatic 120-watt lighting system for safer evening exits and entries. High impact, heat resistant polypropylene lens cover for easy bulb replacement.