Description

Powers up when Power is Out

The LiftMaster 8550W Elite Series garage door opener uses a powerful, durable P3 Life-Time-Warranty Motor.

Connectivity

• MyQ® Technology enables you to securely monitor and control your garage door opener and houselights with your smartphone, tablet or computer (Requires purchase of Internet Gateway (828LM)).
• Alerts can be received as email or pop-up (push) notifications on your mobile device so that you always know the status of your garage door and houselights.
• MyQ mobile app is a free download requiring no annual activation fee.

Performance

• DC motor belt drive system is powerful yet ultra-quiet and maintenance free.
• Battery Backup powers up even when power is out so you can get in your garage. (485LM Integrated Battery Backup is included).
• Energy-efficient operation consumes up to 75% less power in standby mode.
• Lifetime motor and belt, 5-year parts and 1-year Battery Backup warranty.

Safety and Security

• Security+ 2.0® safeguards your household – with every click a new code is sent to the garage door opener so that the door opens only for you.
• PosiLock® locks down your door by electronically monitoring against a forced opening.
• Timer-to-Close remembers to close your garage door when you forget – automatically closes the door after a pre-programmed number of minutes.
• Alert-2-Close warning system provides audible and visual warnings when the garage door is about to close when using MyQ Technology or Timer-to-Close.
• Motion detector activates the garage door opener lights as soon as you walk in so no more fumbling in the dark.
• The Protector System® has safety sensors that project a light beam across the garage door opening automatically reversing the door if anything interrupts the beam.