LiftMaster 3800

LM3800 Chamberlain's LiftMaster 3800 is the ideal openers when quietness, and space are important. This specially designed door opener is mounted to the wall beside the garage door. It frees up ceiling space and features a powerful DC motor to provide ultra-quiet operation. Other features include smooth start and stop operation to reduce the noise of the garage door as it opens and closes.
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Safety and Security Devices

Power Lock
Power Lock
Once Your garage door goes down it's securely locked with the power lock. Similiar to a dead bolt, it ensures the door cannot be forced open.
Photo Eyes
Photo Eyes
Projects an invisible beam across the door opening. If any object breaks the light beam while closing, the door will stop and reverse direction to full open position.

Standard Accesories

Motion-Detecting Control Panel
Motion-Detecting Control Panel
Turns the remote light on automatically when you enter the garage. Includes light and lock button.
3-Button Remote
3-Button Remote
With rolling code technology, you are assured of the highest security every time you push the button. The code automatically rolls over to any one of 100-billion new codes, never to be repeated. Operates up to 3 garage doors.
Remote Light
Remote Light
Add as many lights as you wish. All lights can be turned on and off by opener activation or control panel light button.
Cable Tension Monitor
Cable Tension Monitor
Specially designed to maintain accurate tension and eliminate "cable throw", which occurs when the cable slips off the drum. This ensures dependable performance and virtually eliminates unnecessary service calls.

Optional Accessories

Battery Backup System
Battery Backup System
After the power goes out, the battery backup System will operate the garage door opener for 20 full cycles within a 24-hour period, Remote Light remains off and audible signal will sound to alert you that power is out and battery backup is in use.
Additional Remote Lights
Additional Remote Lights
Add as many lights as you wish. All lights can be turned on and off by opener activation or control panel light button.
Laser Garage parking Assist
Laser Garage parking Assist
The high-tech solution that helps you park perfectly in your garage! As you pull into your garage, the laser is activated and projected onto your dashboard, making it easy to park in the same spot every time.
Wireless Key less Entry System
Wireless Key less Entry System
Open your garage using a secure access code and close with just the push of a single button. Also set temporary entry codes for friends and service people.
Mini Remote Control
Mini Remote Control
Convenient size to carry on a key chain, in pocket or purse. Operates up to three garage doors.
Motion-Detecting Control Panel
Motion-Detecting Control Panel
Turns the remote light on automatically when you enter the garage. Includes light and lock button.



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