Kidde KN-COPP-3 Nighthawk Plug-In Carbon Monoxide Alarm with Battery Backup and Digital Display @ richardeward.com

Kidde KN-COPP-3 Nighthawk Plug-In Carbon Monoxide Alarm with Battery Backup and Digital Display
from Kidde

Features:

• Digital display displays the level of carbon monoxide the unit is sensing
• Three convenient mounting options
• Peak level button displays the peak CO level recorded by the alarm since it was last reset
• 9V Battery backup provides protection during power outages

Customer Reviews:

• Avg. Customer Rating: 3.5 / 5.0

• Battery Problem
  This product is a joke, the unit I have drains a new battery in a few hours, and it starts beeping during the night, asking for a new battery. The beep is so loud ...
  Removed the battery? sorry, no battery is not an option, it will beep if there is no battery.
  What can you do?
  Please don't waste your money or energy on a product like this.
  

• Ordered this to replace my old one... and they a very important
  A little over two years ago the one I am replacing (only because it is over 5 years old) started chirping at about 10 pm. I watched the numbers climb and when it got over 100 (and stood there) I went outside to investgate. Low and behold there was smoke coming from the manhole cover a few doors up from my house. A quick look at the two manholes further down the block and they had even more smoke. You could hear what sounded like a massive electrical short under the street. So bad it was actually vibrating... more info

• Carbon Monoxide Plug In Alarm Kidde KN-COPP-3
  A good quality product, it was purchased as a replacement for a old Kidde plug in which had stopped working after a few years. The main advantage of this newer model unit is the battery backup feature which my older unit did not have. Digital readout and flawless performance make this my choice for a reliable plug in carbon monoxide alarm unit.

• Hope It Works
  We've had this CO detector plugged in for over six years and the only time it ever sounded an alarm was when we had hardwood floors installed in our house. I'm not sure what triggered the alarm but it got everyone's attention. It's LOUD. There's no way anyone will sleep through this sound. You can hear the alarm outside when it's going off inside. Once the alarm sounds you have to power it off to silence it.
  Since it's sort of difficult to tell if a particular CO detector is working properly, we've... more info

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