Take convenience and safety to a whole new level with the LiftMaster® 8550. The reliable, integrated Battery Backup System guarantees access in and out of your garage, even when the power is out. The safety and security features will continue to operate as well, ensuring your family is protected in a power failure. The opener is also equipped with built-in MyQ® technology, enabling you to close your garage door or turn lights on or off using a smartphone or computer – from anywhere in the world. And because it features soft start and slow stop to reduce noise when it operates, it is perfect for homes with a room above the garage.

• 7 feet rail included
• Equipped with MyQ® technology that lets you monitor and control your garage door and house lights remotely by using a computer or smartphone (LiftMaster® Internet Gateway accessory required)
• Timer-to-Close feature allows the door to automatically close after a pre-programmed number of minutes
• Auto-force feature constantly monitors garage door system and adjusts forces to temperature fluctuations, floor height, and door track movement
• The Smart Garage Door Opener® lets you electronically program security codes from the Smart Control Panel® or the powerhead
• Enclosed gear case provides continous lubrication for longer life and smoother operation
• A 6-foot power cord makes connecting to a power source easier than ever
• Whole-garage lighting with adjustable light time delay; compatible with CFL bulbs
• Energy-efficient operation consumes up to 75% less power in standby mode
• HOMELINK® compatible with QuickTrain™ technology
• Meets all UL325 requirements

SAFETY & SECURITY FEATURES:

• The Protector System® safety sensors project an invisible light beam across the garage door opening and automatically reverses the door if anything interrupts the beam while door is going down
• Sensing technology will stop the door from closing if contact is made with a person or object
• Opener lights turn on automatically when The Protector System’s infrared beam is interrupted
• Security+2.0™ rolling code technology eliminates frequency interference and assures a new code is sent every time the remote control is used
• Patented PosiLock® system ensures the door remains securely locked when it is closed
• Alert-2-Close warning system provides audible and visual warnings that the garage door is about to close when using the Timer-to-Close or remote closing features
• Manual release handle in case of power failure

WARRANTY:

• Lifetime motor and belt warranty
• 5-year parts warranty
• 1-year warranty on Battery Backup Battery