LiftMaster® 8550WLB Elite Series® DC Battery Backup Belt Drive WI-FI Garage Door Opener

Garage Door Opener WI-FI Connectivity – Never Look Back Again

Take convenience and safety to a whole new level with the LiftMaster® 8550WLB WI-FI Ready

LiftMaster 8550W Beltdrive Garage Door Opener
  • MyQ™ Technology now with WI-FI, built-in 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™ app is a Free download requiring no annual activation fee
  • Security+ 2.0® safeguards garage access – with every click a new code is sent to the garage door opener ensuring the door does not inadvertently open
  • Get in your garage every time, even when the power is out. The reliable, integrated Battery Backup System ensures your garage door opener, as well as the safety and security features, will continue to work
  • Timer-to-close feature allows the door to automatically close after a pre-programmed number of minutes
  • Energy efficient operation consumes up to 75% less power in standby mode

WARRANTY – Lifetime on the motor and belt, 5 years on the parts and one year on the battery back-up

Safety and Security

  • Belt Drive System for powerful, ultra quiet performance
  • Soft Start/Stop for smooth operation
  • DC Motor is purposely designed for quiet, long-lasting operation
  • Battery Backup ensures garage access even when the power’s out
  • Built-in WI-FI for the easiest way to connect the garage
  • Automatic Garage Door Lock Capable: Deadbolt locks the garage door, making it virtually impenetrable (optional – sold separately)
  • Security+ 2.0® safeguards garage access – with every click a new code is sent to the garage door opener ensuring the door does not inadvertently open
  • PosiLock® locks down the door by electronically monitoring against a forced opening
  • 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 Timer-to-Close
  • 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

893MAX 3-Button Premium Remote Control

893MAX garage door remote control

  • Easy-to-use remote with LED lights that make it easier to use at nighttime.
  • Control up to three LiftMaster® garage door openers or MyQ™ enabled light.

880LM Smart Control Wall Console

880LM Smart Control Wall Console

  • Easy programming of  remotes, keypads, MyQ™ accessories and WI-FI Garage Door Openers
  • An intuitive menu-driven LCD display enables simple adjustment settings
  • Easily view temperature, time and system diagnostic
  • Use Timer-to-Close to automatically close the garage door in 1, 5 or 10 minutes

485LM Integrated Battery Back-up

485LM battery backup
  • Power’s up the opener when the power’s out
  • Fast and easy replacement

LiftMaster® 8550WLB Beltdrive Accessories

841LM Auto-Lock

Liftmaster 841LM Auto Lock
  • Deadbolts the garage door automatically every time it closes
  • Virtually impossible to lift the garage door from the outside

877MAX Wireless Keypad

877MAX wireless keyless entry keypad
  • Provides convenient, secure access from outside the garage with a 4-digit PIN
  • Compatible with all garage door openers manufactured by LiftMaster® since 1993
  • Open or close a garage door without using a remote control or key
  • Program a temporary code for friends and service people

829LM Garage Door and Gate Monitor

829LM Garage Door Monitor
  • Allows you to always have control of your garage door from inside your home.
  • It includes two LED lights that tell you whether your garage door is open or closed. It also has an audible alert that tells you if your garage door is open.
  • You can also close your garage door from inside your home.
  • The MyQ™ enabled technology allows you to control up to four garage doors at a time.

825LM Remote Light Control

LiftMaster 825LM Light Control
  • Allows control of any lamp using a garage door opener remote control or smartphone via the MyQ™ app

8550WLB Battery Backup Beltdrive Features

  • Steel Chassis, T-rail and Trolley
  • Auto Force – Adjustment for changing weather and environment conditions
  • Electronic Limits for easy setup
  • DC Wi-Fi Logic Board with Built-in Surge Suppressor
  • 2 Lock Terminals allows up to 2 auto locks to be connected
  • Ventilation/Pet Opening
  • Emergency/Quick Release
  • Automatic Trolley Reconnect
  • Maintenance Alert System
  • HomeLink Compatible – Version 4.0 or Higher*
  • Garage Door Opener Capacity of up to 40 remote controls, 4 wireless keyless entry systems and 16 MyQ Devices
  • Maximum 2 – 100-Watt lightbulbs
  • Adjustable time on lighting
  • Enhanced CFL (Compact Fluorescent) Compatible**
  • Permanent Lubrication
  • Automatic Thermal Protection
  • UL Listed
  • 6′ Power cord (3 prong)

*May require an external adapter depending on the model and year of your vehicle. Visit for additional information

**Some LED Lightbulbs have been known to cause interference issues with garage door openers reducing the range of remote controls and wireless keyless entries. If you choose to use LED bulbs, the following brand/models are approved for use by LiftMaster below.

**The model numbers were tested and are recommended based on the results produced in July 2019. However, since LiftMaster does not manufacture these bulbs, they are subject to change by the manufacturer at any time.
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