LiftMaster Model 3585
Powerful Yet Quiet Performance
No more sacrificing strength for less noise when it comes to garage door openers. The LiftMaster 3585 3/4 HP Belt Drive Garage Door Opener is the ultimate blend of quiet and power. With 50% more power it can lift even the heaviest garage doors effortlessly and with precision, and our patented Motor Vibration Isolation System (MVIS®) and steel-reinforced belts deliver smooth-running super-quiet operation.
Performance
- High-efficiency motor delivers improved performance in extreme weather conditions
- 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
Security
- 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 lights 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.
Included Accessories
398LM – Smart Control Panel®

Take garage door control to a whole new level with this wall control panel. It displays time, inside garage temperature, and important system status messages, making it easier to maintain your system.
Warranty:
- Lifetime motor warranty
- 5 year parts warranty