The Genie Chain Drive 500 garage door opener offers the best traditional chain drive garage door operation. Dependable, reliable and durable: the Chain Drive 500 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. You can count on many years of worry-free service with almost no maintenance needed. The strong Genie DC motor, suitable for residential sectional garage doors up to 7 foot high and 350 pounds in weight. You can expect smoother door travel and easier installation than most garage door openers at this price. This Genie Chain Drive 500 is upgradeable with available options such as Wifi, keypad, 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. The Chain Drive garage door openers 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 a super bright Genie LED light bulb but any compact fluorescent or incandescent bulb will also work in the Genie Chain Drive 500 garage door opener. The shape of the garage door has an innovative design that directs light toward the rear of your garage where you needed most. This 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). The Genie Chain Drive 500 is the perfect way to get peace of mind and convenience in a garage door opener at a surprisingly low price.