Get the ultimate blend of power and quiet in a garage door opener. This powerful 3/4 HP 8557 opener can lift even the heaviest garage doors effortlessly and with precision.
Powerful yet Quiet Performance
Connectivity
- MyQ® technology enables you to securely monitor and control your garage door opener and houselights with your smartphone, tablet or computer.
- Alerts can be received as email or pop-up (push) notifications on your mobile device so that you always know the status of your garage door and houselights.
- MyQ mobile app is a free download requiring no annual activation fee.
Performance
- P3™ Motors from LiftMaster® are reliable, durable and powerful – designed specifically for your needs.
- ¾ HP motor combines a strong pulling force with a steel reinforced belt to lift heavy doors and reinforced doors in high wind areas.
- Belt drive system means ultra-quiet performance – ideal if your home has living space above or next to the garage.
- Motor Vibration Isolation System (MVIS®) provides super quiet, smooth operation year after year.
- Energy-efficient operation consumes up to 75% less power in standby mode
- Lifetime motor and belt warranty, 5-year parts warranty.
Security
- Security+ 2.0™ safeguards your household – with every click a new code is sent to the garage door opener so that the door opens only for you.
- PosiLock® locks down your door by electronically monitoring against a forced opening.
- Timer-to-Close remembers to close your garage door when you forget – automatically closes the door after a pre-programmed number of minutes.
- Alert-2-Close warning system provides audible and visual warnings when the garage door is about to close when using MyQ technology or Timer-to-Close.
- Motion detector activates the garage door opener lights as soon as you walk in so no more fumbling in the dark.
- The Protector System® has safety sensors that project a light beam across the garage door opening automatically reversing the door if anything interrupts the beam.
To reduce the risk of injury to persons – When the LiftMaster® Internet Gateway is used with garage door openers, the operator must be installed with sectional doors.