






🏠 Stay safe, stay savvy: The Nighthawk that never sleeps.
The Kidde KN-COPP-3 Nighthawk is a plug-in carbon monoxide alarm featuring an electrochemical sensor, a digital LED display for real-time CO levels, and an 85-decibel alarm. It includes a 9-volt battery backup to ensure continuous protection during power outages, a Test-Hush button for easy false alarm silencing, and peak level memory to track recent CO events. UL certified with a 10-year limited warranty, it’s designed for reliable, long-term home safety.














| ASIN | B00002N86A |
| Alarm | Audible , Visual |
| Best Sellers Rank | #196,826 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #214 in Alcohol Testers |
| Brand | Kidde |
| Built-In Media | one 9V battery, one CO alarm, model KN-COPP-3, one mounting hardware packet (for wall-mount option), one user manual |
| Colour | White |
| Compatible Devices | Residential |
| Country of Origin | USA |
| Customer Reviews | 4.7 out of 5 stars 26,166 Reviews |
| Enclosure Material | ABS |
| Global Trade Identification Number | 00784908007605 |
| Item Dimensions D x W x H | 4.4D x 9.5W x 15.4H Centimeters |
| Item Type Name | Carbon Monoxide Detector |
| Manufacturer | Kidde |
| Manufacturer Warranty Description | 10 Year Limited |
| Model Number | KN-COPP-3 |
| Operating Humidity | 5% to 95% relative humidity, non-condensing |
| Power Source | Battery Powered |
| Product Dimensions | 4.4D x 9.5W x 15.4H Centimeters |
| Product Style | Detector |
| Sensor Type | Electrochemical |
| Style | Detector |
| UPC | 784908007605 |
| Unit Count | 1.0 Count |
| Upper Temperature Range | 37.8 Degrees Celsius |
S**Y
Remember to replace every 10 years
J**E
We believe they work as advertised
M**N
Did not work
T**N
Best Brand
T**N
Carbon Monoxide Protection for your Home
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