Kidde Nighthawk KN-COPP-3 carbon monoxide alarm

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Summary: This model was tested by our experts.
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Type: Stand-alone alarms
About - Kidde Nighthawk KN-COPP-3

The Kidde Nighthawk KN-COPP-3 is part of the CO & smoke alarm test program at Consumer Reports. In our lab tests, carbon monoxide alarm models like the Nighthawk KN-COPP-3 are rated on multiple criteria, such as those listed below.

High CO levels:
High CO levels rates a model's response to CO of 300 parts per million.

Low CO levels:
Low CO levels rates a model's response to CO of 150 ppm.

Display/voice rates the accuracy of the CO level either displayed digitally or conveyed by voice message.
About This Brand

Kidde owns FireX branded units and offers the Nighthawk and Silhouette lines. Nighthawk comes in plug-in and battery operated units. Price range of carbon monoxide units is $20 to $70. The Silhouette line comes in hardwired units and features a sealed, self-charging lithium battery that lasts for the life of the unit. The units can interconnect with other units and retail for about $60. Kidde also offers combo units, which have a smoke detector feature in addition to the carbon monoxide detector.

Kidde also carries the Intelligent alarm (not tested), which uses one device to detect fast flaming and smouldering fires and carbon monoxide. A voice warning is issued based on what danger is detected. CO alarms are sold in home improvement stores, including Home Depot and Lowes,  at Sears, and at food and drug stores.

Smoke alarm prices range from $10 to $70. Kidde makes dual sensor units that use ionization and photoelectric technologies.

Features & Specs - Kidde Nighthawk KN-COPP-3
info Power supply Plug-in w/BB
info Peak memory Yes
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