LiftMaster 81550

1/2 HP AC Belt Drive Wi-Fi® Garage Door Opener with Integrated Bluetooth® Technology

LiftMaster | Powered by myQ

Popular Features

AC Motor: Purposefully designed and built to last.
myQ® Connected: Control, secure, and monitor the garage from the myQ app anytime, from anywhere.
Secure in-garage delivery: Enables Amazon Key In-Garage Delivery - free for Amazon Prime members.
Security+ 2.0®: Safeguards garage access by sending a new code with every click of the remote.
Invisible light beam system: Auto-reverses the garage door if there is an obstruction.
Posilock® protection: Electronically protects against forced openings of the door.
Integrated Bluetooth technology: Reduces setup time and makes it even easier to connect to the myQ app, other myQ devices, and smart home technology solutions.
Quiet operation: Long-lasting belt drive for quiet, maintenance-free performance.

Enhanced Connectivity and Control

Do more with myQ: Use the myQ app to control, secure, and monitor your garage. Conveniently share and manage access to your home without sharing passcodes or keys. Take the hassle out of service repair and easily connect to a trusted Dealer through the myQ app.

myQ Diagnostics: Provides real-time insights for your garage door via the Health Report within the myQ app. Receive alerts if an issue arises and connect to professional services if needed.

In the Box

3-Button Remote Control (893LM): Operates up to 3 openers or myQ light accessories. Safeguards your home with Security+ 2.0.
Multi-Function Control Panel® (882LMW): Includes lockout controls and accessory programmability.

Specifications

Motor: 1/2 Horsepower AC, 1,625 RPM, automatic thermal protection, permanent lubrication.

Mechanics: Steel chassis, T-rail and trolley, full reinforced belt drive mechanism (16:1 gear reduction and adjustable door arm). Features auto-force adjustment for changing weather and environmental conditions, electronic limits for easy setup, and an AC Wi-Fi logic board with built-in surge suppressor (for replacement logic boards, order part 050ACTB).

Power: 120V AC, 60 Hz voltage, 6A current rating, UL® Listed, 4' power cord (3-prong).

Speed: 7" per second upward, 7" per second downward.

Lighting: Max. 1 100-watt lightbulb; Enhanced CFL (compact fluorescent) compatible, max. 26 watts.

Dimensions

Rail Options	7'	8'	10'
Installed Length	124"	136"	160"
Max Opening	7' 6"	8' 6"	10' 6"
Headroom clearance required	2"

Warranty: 4 Year: Motor, 1 Year: Parts.

Security+ 2.0®

Radio controls: Operating range: ~200'; Operating temperature: -30°F to 150°F; Includes 3-Button Remote Control (893LM). Remote Control Code Format: Security+2.0; Garage Door Opener Code Format: Security+2.0; Security+ 2.0 Anti-burglary coding.

Encrypted controls: Multi-Function Control Panel (882LMW); Program remote controls; Maintenance alert system; Easy Wi-Fi setup.

myQ Radio

902-928 MHz 50-Channel FHSS (frequency hopping spread spectrum); Provides 2-way communication from garage door opener and myQ accessories; Enables monitoring and control of garage door openers via smartphone or tablet.

HomeLink® Compatibility

Compatible with version 4.0 or higher. May require an external adapter depending on the model and year of your vehicle. Visit HomeLink.com for additional information.

Convenience and Safety Features

Alert-2-close with unattended close operation.
Emergency/quick release.
Automatic trolley reconnect.
Ventilation/pet opening.
Down safety reverse.
Up safety stop.
Maintenance alert system.
Garage door opener capacity of up to 12 remote controls, 1 keyless entry system, and 16 myQ devices.

Carton 1 Shipping Details

Dimensions: 20" x 12" x 10". Contents: Garage Door Opener Head (81550), Multi-Function Control Panel (882LMW), 3-Button Remote Control (893LM), The Protector System® Safety Reversing Sensors. Weight: 20 lbs.

Carton 2 Shipping Details

Dimensions: 10'4" x 5" x 5" (for 7' rail). Contents: Assembled Solid-Steel Belt T-rail. Weight: 17 lbs.

For Purchase and Professional Install

Visit LiftMaster.com

For Partners

Orders: 800.282.6225 | Support: 800.528.2806 | Self service: LiftMasterTraining.com

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