Wi-Fi Connectivity – Never Look Back Again
• MyQ® Technology now with Wi-Fi, enables secure monitoring and control
of your garage door opener with a smartphone, tablet or laptop.
• Alerts can be received as email or pop-up (push) notifications on your
mobile device, ensuring the status of the garage door.
• MyQ mobile app is a free download requiring no annual activation fee.
• P3™ Motors provide proven reliability and durability.
• DC Motor Belt Drive System delivers powerful, ultra-quiet performance.
• Battery Backup ensures access to your garage when the power goes out.
• Dependable warranty includes lifetime coverage of motor and belt, five (5)
years on parts and one (1) year on battery.
Safety and Security
• Security+ 2.0® safeguards garage access – with every click a new
code is sent to the garage door opener ensuring the door does not
• PosiLock® locks down the door by electronically monitoring against a
• Timer-to-Close automatically closes the door after a pre-programmed
number of minutes.
• Alert-2-Close Warning System provides audible and visual warnings
when a garage door is about to close when using MyQ Technology or
• Motion Detector is integrated into the Smart Control Panel® providing
rapid detection and illumination of garage.
• The Protector System® incorporates safety sensors which emit an
invisible light beam across the garage door opening, automatically
reversing the door if an object interrupts the beam.
LiftMaster 8550W ® GARAGE DOOR OPENER DC BATTERY BACKUP BELT DRIVE WI-FI