Liftmaster 8557 Elite Series ¾ HP AC Belt Drive Garage Door Opener without Rail

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 •P3TM 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+ 2.0TM 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.