Editorial Product Review:Item Description:GARAGE DOOR MONITOR Indicates if the garage door is open or closed Security for the largest door to your home Works with any garage door When light flashes red, door is open Fast, easy installation; no tools needed Signals to any room in the home CLDM1 GARAGE DOOR MONITOR
Amazon.com Item Description:Sometimes you just forget to close the garage door. But if 'sometimes' is closer to 'usually' for you, you may run the risk of having your garage emptied out by opportunistic passers-by, and you will certainly pay more to heat your house. Chamberlain's Clicker Garage Door Monitor helps you minimize the likelihood that you'll leave the biggest door in your house open. The device mounts easily without tools to your garage door via a Velcro strip; if your door is open, the sensor sends a signal to the monitor, causing a red light to flash. The monitor may be plugged in anywhere in your house where you're likely to notice the flashing light. Depending on your garage-door habits, this device could help prevent theft and lower your heating bills. Includes lithium battery.
--Josh DettweilerWhat's in the BoxSensor, receiver, AC adapter, double-sided Velcro fastening strip, lithium battery
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Buyer Reviews
Average Buyer Rating:

Customer Rating: 
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Garage door indicator
Product was easy to install and works fine. I put the indicator light receiever by the TV so it is easy to see if we forget to close the garage door.
Customer Rating: 
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Well worth the price...
I have now been using the Chamberlain garage door monitor for ~6 months and it works great.
I have a detached garage and the base unit works anywhere in the house. I really wasn't expecting the range to be that good. The only other worry I had when installing it was having to reapply tape to the back of the sensor unit on the garage door, but to my surprise it has stayed in position now through extreme temperature variations (from -20 F to 95 F).
The only reason I didn't give it a 5/5 is because I agree with some of the other reviews, aesthetically the design could have been better...
Customer Rating: 
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piece of junk
One star is too many for this piece of junk. Only product I've ever bought on Amazon that did not work. Very disappointed.
Customer Rating: 
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Works great
I HAD to get one of this after my local police called me at 4:00am to let me know my garage door was opened! I have the receiver on the second floor and it picks up the signal from the garage.