Liftmaster 81550 - Contractor Series 1/2 HP Belt Drive Garage Door Operator
Industrial Strength. Everyday Convenience.
Heavy-duty performance that’s built to last.
Power Through - Lift thicker, heavier doors with ease thanks to the 1/2 HP AC Motor.
Count On It - The chain drive system delivers uncompromising performance and durability.
Rest Easy - Enjoy a 4-year warranty on the motor plus a 1-year warranty on the parts, chain, and remote control.
Never the Same - With Security+ 2.0®, a new code is sent every time you click, protecting you from tech savvy intruders.
Fortress Home - Brute force entries fall flat every time when they go up against the Posilock® electronic locking system.
You’re the Gatekeeper - Wherever you are, the myQ® Alert-2-Close system lets you know when your door opens or closes.
Invisible Safety - The Protector System® keeps children, pets, and vehicles safe by auto-reversing the door when obstructions are detected.
Goodbye Wires - Easily connect your garage to your devices with built-in Wi-Fi connectivity.
Apples and Androids - The free myQ® App for Apple and Android devices lets you easily monitor and set schedules for your garage door and connected accessories.
Straight To Your Inbox - Get emails and push notifications sent to you in real-time for actions like door or light activity.
Lock ‘Em Up - With Key by Amazon, your packages are placed safely and securely in your garage.
You’ve Got Mail - Know exactly when parcels arrive by linking your Key by Amazon and myQ apps.
Also In The Box
3-Button Remote Control (LiftMaster 893LM)
Securely manage up to 3 myQ®-enabled door openers, gate operators or lights accessories.
Wi-Fi Multi-Function Control Panel (LiftMaster 882LMW)
Control your garage’s doors and lights and easily pair new accessories with your door opener.
Available HomeLink® Vehicle Compatibility
If your vehicle has HomeLink®, it can be configured to work with the LiftMaster 8155W, although some vehicles may need the HomeLink Compatibility Bridge (sold separately) to work correctly.
We’re Here to Help
Have some questions about how the product’s features work, or what the installation process is like? Talk to us! If it’s for your garage, we’re ready to step in and share our skills and expertise with you, whether it’s helping you pick out the right model or getting it securely installed.