Kidde KN-COB-B-LP Nighthawk Carbon Monoxide Alarm, Battery Operated – 21007268
Original price was: $31.59.$29.99Current price is: $29.99.
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(as of Oct 01, 2026 17:48:46 UTC – Details)
B/O CO Alarm
Battery operated (three AAs included) to provide protection during power outages
Test-reset button tests the unit for proper operation and resets the carbon monoxide alarm
Forty percent longer life than other CO alarms
Seven-year end-of-life warning alerts user to replace CO alarm
Meets the requirements of Underwriters Laboratories (UL)
Customers find the carbon monoxide alarm easy to install and reliable, with one customer noting it tipped them off to a problem before they felt any effects. They appreciate its compact size and consider it good value for money. The battery life receives mixed feedback, with some customers saying it lasts forever while others report issues.
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Original price was: $31.59.$29.99Current price is: $29.99.
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