Kidde Nighthawk Smoke and Carbon Monoxide Alarm
Best dual-sensor safety solution for homeowners seeking simple, voice-guided protection.
This dual-sensor unit simplifies home safety by combining smoke and carbon monoxide detection into one voice-enabled device. It removes the guesswork during emergencies by clearly announcing the specific threat, while the battery-powered design ensures you remain protected even when the power goes out.
$34.95
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Who it's for
- Homeowners seeking streamlined safety for multiple household hazards
- Families needing immediate, unambiguous alerts during emergencies
- Busy residents wanting a set-it-and-forget-it safety solution
Who should skip it
- Safety-conscious buyers prioritizing detection of slow-burning fires
- Budget-focused shoppers wary of higher long-term replacement costs
- Residents living in homes prone to kitchen or bathroom steam
Performance breakdown
Alert Clarity
Voice announcements eliminate confusion during high-stress emergency situations.
Maintenance Convenience
Front-loading battery access makes routine changes quick and effortless.
Installation Simplicity
Battery-powered design removes the need for complex electrical wiring.
Detection Versatility
Dual-sensor technology covers both fire and gas threats simultaneously.
Longevity
Ten-year lifespan provides a decade of reliable, set-and-forget protection.
User Interface
Intuitive test button and clear status warnings simplify daily operation.
Key Specs
Sensor Type
Smoke and Carbon Monoxide
Power Source
Battery Powered
Alarm Tone Type
Voice Alarm
Detection Technology
Dual Sensor
Model Number
KN-COSM-B
Replacement Interval
10 years
Test Button
Included
Voice Alert
Yes
Country of Origin
China
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