Review of Kidde KN-COPP-3 Nighthawk Plug-In Carbon Monoxide Alarm with Battery Backup and Digital Display
Reviewed on: July 07, 2013
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Pros & Cons
The Kidde KN-COPP-3 Nighthawk Plug-In Carbon Monoxide Alarm with Battery backup and Digital display is an easy to install unit that provides reliable protection against the dangers of CO. It features a digital display that shows CO levels in parts per million allowing you to see if, how and when the levels change. The Nighthawk includes a 9 volts battery backup that provides continuous monitoring of CO levels, even during power outages. This alarm gives you 3 mounting options: direct plug to a power outlet, a 6’ power cord or use it as a table top.
With the KN-COPP-3 Nighthawk, you never have to wonder if the sensor is functioning properly. A blinking dot in the lower right-hand corner of the display denotes normal operation, so you can trust that it's working. In addition, you can test alarm function by pressing the test/reset button at any time to verify that the horn and electric circuitry are operating properly. The unit includes a peak level memory feature that will store the peak CO level sensed since the unit was last reset. The unit also features a low battery warning system.
This unit requires a fully charged battery even when plugged in the outlet.
Overall, the Kidde KN-COPP-3 Nighthawk Plug-In CO alarm is highly recommended for its safety features and reasonable price with a shelf life of 7 years.
Review Group #: 1
Very easy to install • Looks good • Simple to use • Works as indicated • Includes 9 volts battery and a plug
Review Group #: 2
Easy to read display • Works well • Recommended for houses with gas stoves or gas fireplaces • Starts beeping after couple of months
Review Group #: 3
Three power options - Battery, directly plug to a power outlet or wire to plug • Low battery indicator • Requires fully charged battery even when plugged in
Review Group #: 4
End of life alarm indicator • Recommended unit to detect CO • Some units had problems re-setting the level to zero
Review Group #: 5
Good customer service • Shelf life of 7 years • Best price range • Displays ERR for malfunctioning units
Where to Buy
Amazon.com Rating: 4.20 stars from 613 reviews, Price: $28.25