garage door repair in San Ramon CA 
8550 garage door opener specs
Elite Series® DC Battery Backup Belt Drive. This is the best garage door opener on the market, it comes with a special drive system that lasts. We have intalled hundreds of these openers over the last 5 years and none of them have failed or had any problems.
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Consider comfort as well as security to some totally new degree using the LiftMaster® 8550. The actual dependable, incorporated Battery Backup System ensures entry within as well as from your garage door, even if the ability has gone out. The actual security and safety functions may still run too, making sure your loved ones is actually guarded inside a energy failing. The actual opener can also be designed with built-in MyQ™ technology, helping you to near your own storage doorway or even change lighting upon or even away utilizing a smart phone or even pc – through all over the world. As well as since it functions soft start as well as sluggish cease to lessen sound whenever this works, this is ideal for houses having a space over the actual garage.
This model has earned the Good Housekeeping seal.            
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  • Equipped with MyQ™ technology that lets you monitor and 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 garage door system and adjusts forces to temperature fluctuations, floor height, and door track movement
  • The Smart Garage Door Opener® lets you electronically program security codes from the Smart Control Panel® or the powerhead
  • Enclosed gear case provides continuous lubrication for longer life and smoother operation
  • A 6-foot power cord makes connecting to a power source easier than ever
  • Whole-garage lighting with adjustable light time delay; compatible with CFL bulbs
  • Energy-efficient operation consumes up to 75% less power in standby mode
  • HOMELINK® compatible with QuickTrain™ technology
  • 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

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.