Liftmaster 8550 Garage Door Opener Elite Series® DC Battery Backup Belt Drive

The LiftMaster® 8550 takes convenience and safety to a new level. The reliable, integrated Battery Backup System guarantees access in and out of your garage, even when the power is out. It's safety and security features continue to operate so your family will be protected in a power failure. Built-in MyQ® technology enables you to close your garage door or turn lights on or off with a smartphone or computer from anywhere in the world. A soft start and slow stop reduces noise when it operates so it's perfect for when a room is above the garage.

• MyQ® technology lets you monitor or 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 the garage door system and adjusts forces to changes in temperature, door track movement and floor height.
• Electronically program security codes from the Smart Control Panel® or the powerhead with the Smart Garage Door Opener®.
• Continous lubrication by an enclosed gear case provides smoother operation and longer life.
• Whole-garage lighting with adjustable light time delay; compatible with CFL bulbs.
• A longer power cord makes connecting power easier than ever.
• Energy-efficient operation consumes up to 75% less power in standby mode.
• The HOMELINK® technology is compatible with QuickTrain™.
• Meets all UL325 requirements