Chamberlain Universal Garage Door Monitor

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Chamberlain Universal Garage Door Monitor

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Item Description

If you are a person who usually forgets to close the door, the Chamberlain Universal Garage Door Monitor is a great fit for you. The best thing about this wireless door alarm system is that it works with every garage door and can monitor up to four doors. This Chamberlain garage door sensor notifies you if it is open or closed no matter which corner of the house you are in. The mechanism of the device is quite simple. When you leave your garage door open, the sensor automatically sends a signal to the monitor, and a garage door alarm flashes a red light indicating that the door is open. You can plug this wireless door monitor in any convenient location in your house and installation is minimal.

Chamberlain Universal Garage Door Monitor:
  • Works with any garage door
  • Chamberlain garage door sensor monitors up to 4 garage doors (with additional sensors - CLDM2)
  • When light flashes red, door is open
  • Fast, easy installation; no tools needed


Model No.: CLDM1
Shipping Weight (in pounds): 2.5
Product in Inches (L x W x H): 2.5 x 4.0 x 1.5

Customer Product Reviews

Rated 4.5 out of 5★ by 44reviewers.
Rated 4 out of 5★ by Works well Good product works well. However, I purchased two of these Chamberlain Universal Garage Door Monitors thinking I could use one monitor downstairs for both doors and have the other one upstairs, since you can purchease additional Sensor mount. It seems the senor only works with one monitor. 09/04/2011
Rated 3 out of 5★ by so-so The product seems to work well. However, ours stopped working less than a week after installation on the first 10 degree night. We went to the battery store and found the lithium battery supplied with the unit was dead. I don't know whether we got a bad battery, or all batteries supplied with these units are bad. The unit price was around $20 and the new battery (which was advertisted to last for a year) an additional $5. Needless to say we were disappointed. We will see how long the new battery lasts. 12/26/2009
Rated 5 out of 5★ by Great product. This is my second unit. Adds an extra an extra sense of security. Very easy to install 02/08/2010
Rated 5 out of 5★ by Works Great ! Easy to install.I had it installed and working in half hour.I definitely recommend it. 03/14/2010
Rated 5 out of 5★ by garage door monitor This product is great. My family chooses to come in through the garage door instead of the front door. Sometimes the door gets left open. I posted this monitor by my bed. Just before going to bed if I see the green light all is good. No more leaving the garage door open all night. ! 03/28/2010
Rated 5 out of 5★ by Works as advertised Very pleased with product and well made. Just stick sending unit in door vertically and plug in the receiver and voila, it works wirelessly as advertised. 06/27/2010
Rated 4 out of 5★ by Does what it should but 2 issues I was always checking whether I left my garage door open at night, worried in summer about feral cats and in winter about snowstorms. Checking meant I had to step outside near midnight to get a look at the door. This monitor solved this problem, showing a green light for closed and blinking red for open.It was easy to install but I had two small problems. I velcro-ed the sensor onto the door and then realized door could go partly down and still show a green. I went back and read the instructions' fine print. You need to attach it near the top of door, I pulled it off, did that and now it is green only when all the way down.I was also surprised to seen the monitor with lights needed to be plugged in. When I read the description I thought I saw that it was battery-powered in both the sensor and the display. Maybe I misread it or maybe there were two versions and I got the wrong one. Finding a convenient place for the display near an outlet was a setback but it works reliably in the new location - just not as convenient as having it near the front door. 07/13/2010
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