3840

DC Motor Screw Drive with EverCharge® Standby Power System

Our newest opener and newest addition to our Elite Series™ line, the LiftMaster® 3840 3/4 HPS® DC Motor Screw Drive with EverCharge® Standby Power System is the only screw drive garage door opener on the market with fully integrated battery backup technology. It can power the garage door opener for up to 40 full cycles within a 24-hour period in the event of a power outage, and recharges automatically when the power comes back on. The safety and security features will continue to operate as well, ensuring your family is protected during a power failure. Not only that, it has the added features of our exclusive screw drive opener design: it is specially engineered to run smoothly and quietly in extreme temperatures, and has a self-lubricating, maintenance-free rail system.

* horsepower strength with same lifting force specifications as 3/4 HP LiftMaster garage door openers

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 and protection for longer life and smoother operation

A 6-foot power cord makes connecting to a power source easier than ever

Delivers 200 watts of light with adjustable light time delay

Meets all UL325 requirements

 

SAFETY & 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 infrared beam is broken

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

Lifetime motor warranty

5-year parts warranty

1-year warranty on EverCharge® Standby Power System