Experience power and reliability with this long-lasting Genie Chain Drive 550 Ultra-Quiet Belt Drive Garage Door Opener. Dependable, reliable and durable, the Chain Drive 550 garage door opener is an affordable option with superior design and performance. Its compact design makes installation quick and easy with an included instruction sheet or a YouTube install DIY video. You can count on getting years of service from this low-maintenance, easy-to-install chain drive garage opener. Safe and Strong The strong Genie DC motor is suitable for residential sectional garage doors up to 7-feet high and 350 pounds in weight. For garage doors that are 8-foot high, an extension kit is required (sold separately). You can expect smoother door travel and easier installation than most garage door openers at this price. The Genie Chain Drive 550 is upgradeable with available options such as a wireless wall console, Wifi/smartphone control, and additional remotes. Safety features include the Safe-T -Beam garage door safety sensors and GenieSense diagnostic technology. The Safe-T-Beam system helps prevent accidents with an infrared beam of light across door the door opening that once broken the door automatically reverses to the open position. Secure Technology The Chain Drive 550 garage door opener is also equipped with Genie’s Intellicode rolling code technology that prevents unauthorized persons from opening your garage door by automatically changing the access code every time you use it. The lighting system on the garage door opener is made for bright Genie LED light bulbs but any compact fluorescent or incandescent bulbs will also work in the Genie Chain Drive 550 garage door opener. The shape of the garage door has a powerhead design that casts light ins all directions illuminating your entire garage. This Genie garage door opener also includes multiple accessories and has the optional upgrade to the Aladdin Connect Wi-Fi enabled smartphone garage door controller (sold separately).