Garage Door Opener Features, Safety and Security
LiftMaster Model 8355
Standard Features
- LiftMaster 1/2 HP AC motor belt drive system delivers smooth-running power and reliable performance year after year
- MyQ technology lets your customers monitor and control their garage door and house lights remotely by using a smartphone, tablet or computer (LiftMaster Internet Gateway accessory required). The LiftMaster Internet Gateway is only compatible with LiftMaster garage door opener models 8355, 8360, 8550 and 8500
- Security+ 2.0™ technology changes to a new code with every click, transmitting multiple frequencies and ensures operating consistency and extended range even in the toughest interference areas
- Motor Vibration Isolation System (MVIS) delivers smooth, quiet performance. A perfect choice for homes with a living space above or next to the garage
- Electronic limit settings provide simpler, faster installation
- Auto-force allows the garage door opener to adapt to weather and changing environmental conditions, ensuring optimal performance and eliminating the need for manual adjustments
- Energy efficient operation consumes up to 75% less power in standby mode
Safety Features
- The Protector System safety sensors project an invisible light beam across the garage door opening and automatically reverses the door if anything interrupts the beam while the door is going down. Opener lights turn on automatically when The Protector System's infrared beam is broken
- PosiLock system electronically secures a closed-door and monitors against a forced opening. When the door is down, it is securely locked. If a forced opening is detected, it automatically reactivates the opener to the closed position
- Alert-2-Close warning system provides UL325-compliant audible and visual warnings that the garage door is about to close when using MyQ technology or a Timer-to-Close-enabled control panel (sold separately) (Alert-2-Close applications are for sectional doors only, not one-piece doors)
- Manual release handle in case of power failure
Warranty
- Lifetime motor and belt warranty
- 1-year parts warranty
LiftMaster 8550
Standard Features
- 895MAX 3-Button Premium Remote Control Light the way with our 3-button premium remote control. Bright blue LED buttons make night operation easy, and with our MyQ™ enabled light accessories you can turn on house lights right from your car.
- 880LM Smart Control Panel® Take complete control of your garage with our Smart Control Panel®. Its intuitive menu-driven panel lets you easily program remote controls, adjust settings, and even get system diagnostics.
- Equipped with MyQ™ technology that lets you monitor and control your garage door and house lights remotely by using a computer or smartphone (LiftMaster® Internet Gateway accessory required). The LiftMaster® Internet Gateway is only compatible with LiftMaster® garage door opener models 8550, 8360 and 8500®(which have a yellow learn button)
- Timer-to-Close feature allows the door to automatically close after a pre-programmed number of minutes
- 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 power head
- Enclosed gear case provides continuous lubrication for longer life and smoother operation
- A 6-foot power cord makes connecting to a power source easier than ever
- Whole-garage lightingwith adjustable light time delay; compatible with CFL bulbs
- Energy-efficient operation consumes up to 75% less power in standby mode
- HOMELINK® compatible with QuickTrain™ technology
- Meets all UL325 requirements
Safety Features
- The Protector System® safety sensors project an invisible light beam across the garage door opening and automatically reverses the door if anything interrupts the beam while door is going down
- Sensing technology will stop the door from closing if contact is made with a person or object
- Opener lights turn on automatically when The Protector System's infrared beam is interrupted
- Security+2.0™ rolling code technology eliminates frequency interference and assures a new code is sent every time the remote control is used
- Patented PosiLock® system ensures the door remains securely locked when it is closed
- Alert-2-Close warning system provides audible and visual warnings that the garage door is about to close when using the Timer-to-Close or remote closing features
- Manual release handle in case of power failure
Warranty
- Lifetime motor and belt warranty
- 5-year parts warranty
- 1-year warranty on Battery Backup Battery
3255
Standard Features
- 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 Single-Button Remote Control Get additional access and security with our single-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.
- 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 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
- 4 Year Motor warranty
- 1-year parts warranty
8500
Standard Features
- 888LM MyQ® Control Panel Upgrade your LiftMaster® Security+™ garage door opener manufactured since 1998 to the new MyQ® and Security+ 2.0™ radio systems. This will allow you to control your garage door opener and home lights using your smartphone or computer.
- 380LM Remote Light Brighten things up. Add an extra remote light anywhere on your garage ceiling â no wires required. For use exclusively with the LiftMaster Wall Mount Garage Door Opener (model 8500).
- 895MAX 3-Button Premium Remote Control Light the way with our 3-button premium remote control. Bright blue LED buttons make night operation easy, and with our MyQ® enabled light accessories you can turn on house lights right from your car.
- 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 MyQ® 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
- Optional Alternate Power Source (580LM) is a safe, permanent option to power the 8500when 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
Safety and 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+ 2.0™ 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
- 1-year Battery Backup warranty (optional; 475LM)
To reduce the risk of injury to persons - When the LiftMaster® Internet Gateway is used with garage door openers, the operator must be installed with sectional doors.