Chamberlain LiftMaster Elite Series 3840
Released January, 2007
The Chamberlain LiftMaster Elite Series 3840 is one of LifeMaster Elite Series garage openers released in 2007. Featured among all five is a Premium Remote Control and a Smart Control Panel with an LCD screen that tracks the time, temperature, and garage status.
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In particular, the Series 3840 model hosts a ¾ HPS DC Motor Screw Drive coupled with an EverCharge Standby Power System. As well as providing a long-term opening solution, the unit also is capable of being used 40 times during a power outage, after which it’ll need to be recharged. Signature though is the unit’s maintenance-free rail system that is self-lubricating and designed to run without problems even in temperature temperatures.
- ¾ HPS DC Motor Screw Drive
- EverCharge Standby Power System
- Maintenace-Free Rail System
- Auto-Force Functionality
- Smart Garage Door Opener
- Backlight/Nightlight LCD Display
- Status Messages based on Opener’s Sensors
- Enclosed Gear Case
- 6’ Power Cord
- 200W Lighting System
- Protector System Safety Sensors
- Security+ Rolling Code Technology
- PosiLock System
- Manual Release
- Garage Door Monitor + Remote Display
- Laser Garage Parking Assist
- Lifetime Motor and Belt Warranty
- 5-Year Parts Warranty
- 1-Year Warranty Standby Power System
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