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1/2 HP Liftmaster Belt Drive

1/2 HP Liftmaster Belt Drive

Garage Door Opener

Liftmaster 1/2 HP AC Belt Drive Wi-Fi Garage Door Opener w/ Rail
100% Brand New Authentic LiftMaster Operator

1/2 HP AC Belt Drive Wi-Fi Opener

What’s Included:

  • Delivery
  • Installation
  • Old unit removal

Garage Door Opener included:

  • Built-in Wi-Fi allows for smartphone control with the myQ application.
  • 3-Button Remote Control. Controls up to three Garage Door Openers
  • Wi-Fi Multi-Function Control Panel. Operates the garage door opener and lights from inside the garage.
  • Features belt drive system for smooth performance.
  • Works with Key by Amazon: Enables secure and convenient in-garage delivery and in-garage grocery delivery.
Buy Now Price: $629

LiftMaster 1/2 HP AC Belt Drive Wi-Fi Garage Door Opener

Product Description

This Premium Series Garage Door Opener provides reliable, energy-efficient performance year after year for a 1/2 HP belt drive garage door opener. The Motor Vibration Isolation System (MVIS) provides quiet, smooth operation and comes fully equipped with Security+ 2.0 and MyQ Technology.

1. Power

  • Virtually Silent – Keep living spaces virtually silent with the extra-strong belt drive system.
  • Day After Day – Support standard aluminum doors with the 1/2 HP AC motor daily.
  • Vibration Isolation System – Ensure smooth, quiet operation over time with the Motor Vibration Isolation System (MVIS).

2. Safety and Security

  • Secure Code – Confidently know that every click sends a secure code to the garage door opener.
  • Safety Sensors – Protect people and vehicles with safety sensors that stop the door from closing on obstructions.
  • Automatically Protect – Automatically protect against forced openings of the garage door.

3. Home Connectivity with myQ

  • Easily Connect – Easily connect to a home network with built-in Wi-Fi.
  • Syncs With – Syncs with popular smart devices and platforms.

Visit for details.

Product Information

Technical Details:

Standard Specification

– Installed Length: 124.
– Maximum Door Opening: 7 6.
– Headroom Clearance Required: 2.
– Up to 10 with optional 8 or 10 rails.

Security+ 2.0 Radio Controls

– Coding System: Smart Receiver Code Button and Indicator Light.
– 891LM 1-Button Remote Control.
– Operating Range: 200 (approximately).
– Operating Temperature: -40°F to 150°F.
– Battery (remote control): 3-Volt Lithium.


– Remote Control: 310, 315 & 390 MHz Tri-Band.
– Receiver: Frequency Agile on 310, 315 & 390 MHz.
Security+ 2.0 Anti-Burglary Coding.

Convenience / Safety

– PosiLock® and Alert-2-Close.
– Emergency/Quick Release and – Automatic Trolley Reconnect.
– Ventilation/Pet Opening.

– Down Safety Reverse and Up Safety Stop.
– Door Open/Beam Obstructed/Lights On.
– The Protector System® and Maintenance Alert System.

Electrical Specifications:


– Voltage: 120V AC, 60Hz.
– Current Rating: 6.0A.
– UL Listings: Yes.
– Length of Line Cord: 4 (3-prong).

Energy Efficiency

– Approximately 1 Watt Power in Standby Mode.
– Enhanced CFL (Compact Fluorescent) Compatible.
– Standby Mode at down limit, work lights off


– Number of Bulbs: 1.
– Maximum Wattage: 100.
– Length of Light Delay: 4 1/2 Minutes.
– Type of Light Delay: Solid-State.
– Enhanced CFL (Compact Fluorescent) Compatible, Max 26 Watts.

Logic Type

– Solid State Microcontroller with Built-in Surge Suppressor

Mechanical Specifications:


– Horsepower: 1/2.
– RPM: 1,625.
– Thermal Protection: Automatic.
– Lubrication: Permanent.

Drive Mechanism

– Drive Means: Full Reinforced Drive Belt.
– Reduction Means: Gear 16:1.
– Door Linkage: Adjustable Door Arm.


– Force: Electronic/Internal Auto Force.
– Limit: Internal Electronic.

Travel Rate

– Approximately 7.0 per second.

Warranty and Certifications:

  • 10-Year Belt Warranty
  • 4-Year Motor Warranty
  • 1-Year Parts Warranty

HOMELINK Compatible (version 4.0 or higher). It may require an external adapter depending on the model and year of your vehicle.
*Model #81550 (or similar in stock)

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