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Product Description

Liftmaster 3800 RJO

3800
DC Motor Residential Jackshaft Opener

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
(1) 373P Premium - 3 Button Remote Control
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
Cable Tension Monitor
A 6-foot power cord makes connecting to a power source easier than ever
Remote light 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
Manual release handle in case of power failure

WARRANTY