The LiftMaster® 8550 takes convenience and safety to a new level. The reliable, integrated Battery Backup System guarantees access in and out of your garage, even when the power is out. It's safety and security features continue to operate so your family will be protected in a power failure. Built-in MyQ® technology enables you to close your garage door or turn lights on or off with a smartphone or computer from anywhere in the world. A soft start and slow stop reduces noise when it operates so it's perfect for when a room is above the garage.
- MyQ® technology lets you monitor or control your garage door and house lights remotely by using a computer or smartphone (LiftMaster® Internet Gateway accessory required.)
- Timer-to-Close feature allows the door to automatically close after a pre-programmed number of minutes.
- Auto-force feature constantly monitors the garage door system and adjusts forces to changes in temperature, door track movement and floor height.
- Electronically program security codes from the Smart Control Panel® or the powerhead with the Smart Garage Door Opener®.
- Continous lubrication by an enclosed gear case provides smoother operation and longer life.
- Whole-garage lighting with adjustable light time delay; compatible with CFL bulbs.
- A longer power cord makes connecting power easier than ever.
- Energy-efficient operation consumes up to 75% less power in standby mode.
- The HOMELINK® technology is compatible with QuickTrain™.
- Meets all UL325 requirements
- The Protector System® safety sensors project an invisible light beam across the garage door opening and automatically reverses the door if anything interrupts the beam while door is going down.
- Sensing technology will stop the door from closing if contact is made with a person or object.
- Opener lights turn on automatically when The Protector System's infrared beam is interrupted.
- Security+2.0™ rolling code technology eliminates frequency interference and assures a new code is sent every time the remote control is used.
- Patented PosiLock® system ensures the door remains securely locked when it is closed.
- Alert-2-Close warning system provides audible and visual warnings that the garage door is about to close when using the Timer-to-Close or remote closing features Manual release handle in case of power failure.
- Lifetime motor and belt warranty
- 5-year parts warranty
- 1-year warranty on Battery Backup Battery
0 comments