Belt Drive
Chain Drive
Accessories Included
78LM
Multi-Function Control Panel
 Take control of your garage door. This multi-function control panel can open and close your garage door, and turn opener lights on/off from inside the garage.
371LM
1-Button Remote Control
 Get additional access and security with our 1-button remote control. Use it to open and close a single garage door or gate, or as an extra remote to turn interior lights and small appliances on inside your home.
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3255 -CONTRACTOR
1/2 HP Chain Drive Garage Door Opener
Rugged, reliable performance is what you'll get with the LiftMaster® 3255 1/2 HP Chain Drive Garage Door Opener. Its durable 1/2 HP motor combined with an industrial-strength chain drive provide smooth, steady performance year after year. Part of the Contractor Series, it is the choice for value and reliability.
- The Smart Garage Door Opener® lets you electronically program security codes from the Multi-Function Control Panel or the powerhead
- Delivers 100 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 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
- 4-year motor warranty
- 1-year parts warranty
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