Ultra Quiet Belt Drive Opener
LiftMaster 3850 battery back-up Garage door opener
Now when the power goes out, your garage door opener will still work.The LiftMaster® 3850 is the only 3/4 HPS* professionally installed opener with a fully-integrated standby power system. It will operate the garage door opener for 40 cycles within a 24-hour period; an audible signal tells you when the power is out and the EverCharge® Standby Power System is in use. The opener also features smooth start and smooth stop to reduce the noise of the garage door as it opens and closes – perfect for homes with a room above the garage.
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Request PricingSAFETY & SECURITY FEATURES
- The Protector System® safety sensors project an invisible light beam across the garage door opening and automatically reverse the door if anything interrupts the beam while the door is going down
- Sensing technology will stop the door from closing if contact is made with a person or object
- Opener light turns on automatically when The Protector System's infared beam is broken
- Patented technology detects when a door spring breaks and triggers the motor to reverse the door to the full open position
- Security+® rolling code technology assures a new code is sent every time the remote control is used
- Patented PosiLock® system ensures the door remains securely locked when the garage door is closed
- Manual release handle in case of power failure
WARRANTY
- Life time motor warranty
- 5-year parts warranty
