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Today's garages go far beyond a place to merely park your car. So no matter if you want the extra storage space up above, have an oversized garage door, or even a cathedral ceiling, the LiftMaster® model 3800 Residential Jackshaft Opener is the perfectly engineered solution to fit your specific garage door opener requirements. It mounts easily on the wall beside the garage door, and comes with a remote 200-watt light that can be positioned anywhere in the garage. The optional Battery Backup – that continues to operate your opener even when the power goes out – makes it even more convenient.



Powerful 24V DC motor provides ultra-quiet operation, along with variable speed smooth start and smooth stop

Easy wall-mount installation means no rails to hang

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

New optional Alternate Power Source (580LM) is a safe, permanent option to power the 3800 when an outlet is not within 6 feet; UL approved

Remote light delivers 200 watts of light with adjustable light time delay

Meets all UL325 requirements

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Liftmaster 3800 Owner's Manual


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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.Manual release handle in case of power failure

WARRANTY
Lifetime motor warranty 
5-year parts warranty

Liftmaster 3800

This model has earned the Good Housekeeping seal.