Liftmaster Garage Door Opener Model 3850

“The Liftmaster garage door opener model 3850 is an excellent
choice for homes with living areas directly above or adjacent to the garage.”

The Liftmaster garage door opener model 3850 is a belt drive garage door opener with a powerful 3/4 HPS DC motor and Ever Charge standby power system. The standby power system will open and close your garage door 20 times in 24 hours with no power, continuing to operate all of the opener’s safety and security features, then recharge when the power comes back on.

Liftmaster Model 3850

This top of the line Liftmaster model, part of the professionally installed line from Chamberlain, is similar to the Chamberlain WD962KD Whisper Drive model in Chamberlain’s do-it-yourself line. The Liftmaster 3850 is powerful, too, with 3/4 HPS® (horsepower strength similar to other 3/4 HP Chamberlain models) DC motor to lift even the heaviest of garage doors.

Because of its super quiet belt drive, the Liftmaster model 3850 is an excellent choice for homes with living areas directly above or adjacent to the garage. In addition to the belt drive lifting mechanism, the model 3850 also features a smooth start and stop function to further quiet the opener and preserve the life of your garage door.

Liftmaster Garage Door Opener Model 3850 features

Horsepower: 3/4 HPS® DC Motor
Type of Drive: Belt
Light Source: 200 watts with adjustable time delay

Security Features:

  • Security+® rolling code technology to change the code after every use of the remote control
  • PosiLock® to keep the door securely locked with it is closed

Safety Features:

  • Protector System safety sensors (invisible light beam across the garage opening)
  • Door sensing technology that will stop the garage door from closing if a person or object is contacted
  • Manual door release

Warranty:

  • Lifetime on motor and belt
  • 5-year warranty on parts
  • One year on EverCharge® Standby Power System

Special Features:

  • 3-Button Premium Remote Control (lights up when your hand comes near it)
  • Smart Control Panel® with motion detection
  • 6-foot power cord
  • Enclosed gear case for continuous lubrication
  • Smooth start and stop feature to diminish the noise of opening and closing
  • Good Housekeeping seal of approval

Options:

  • Fingerprint keyless entry
  • Garage Door monitor
  • Laser parking accessory
  • Surge protector

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