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8557W

Features
The LiftMaster 8557W model is manufactured by Chamberlain Group. The LiftMaster 8557W ¾ HP Belt Drive Garage Door Opener is the ultimate blend of quiet and power. With 50% more power it can lift even the heaviest garage doors effortlessly and with precision, and the patented Motor Vibration Isolation System (MVIS®) and steel-reinforced belts deliver smooth-running super-quiet operation. Meets all UL325 requirements.
- Drive system: Belt drive
- Horse power: ¾ HP
- Voltage / Phase: 120V, 60 Hz
- Lighting System: 2 lights (max.: 100 watts / light) with adjustable light time delay. Compatible with compact fluorescent lightbulbs (max.: 26 watts / light)
- Additional headroom required: 2" (51 mm)
- MyQ® Technology allows you to monitor and operate your garage door opener safely using your smartphone.
Warranty*: Lifetime on motor
* Other parts of the opener are guaranteed for five year (accessories are not covered by this warranty). Please refer to the owner manual for all details.
* Evercharge standby power system is guarranted for one year
Standard security systems
Your security, our priority!
The Protector System®
Project an invisible light beam across the garage door opening and automatically reverse the door if anything interrupts the beam while the door is going down. Sensing technology will stop the door from closing if contact is made with a person or object. Opener light turns on automatically when The Protector System's infrared beam is broken.

Interior manual release handle
This handle can be used to manually operate the garage door from the interior in the event of a power outage.

Security+ 2.0TM
- Security+ 2.0 rolling code technology assures a new code is sent every time the remote control is used.
- Patented PosiLock® system ensures the door remains securely locked when the garage door is closed.

Warning
Garage doors and garage door openers can be dangerous if not installed and verified by a professional and not used properly. Children must be supervised by an adult when they are inside or in proximity of the garage.
Included in package





* Also included: a hardware bag for installation (includes all necessary hardware for installation)
Optional door opener accessories
Automatic Garage Door Lock 841LM
LiftMaster Ceiling Mount (195LM)
3-button Mini Remote Control (890MAX)
3-button Premium Remote Control (893LM)
Wireless keyless entry system (877LM)