Kidde 21010047 C3010D Carbon Monoxide Alarm with Digital Display and 10 Year Sealed Battery

Price: $44.94
(as of Sep 25, 2026 15:57:51 UTC – Details)


Provides 10-year sealed lithium battery and digital display. Never Change a Battery. CO Alarm Lasts 10 Years.
LED Lights – Green for normal operation, Red for alarm, Amber for Error.
Digital Display – Displays the level of carbon monoxide the unit is sensing. The unit updates this reading every 15 seconds.
10-Year Sealed-in Lithium Batteries -Unit will continue to operate for 10 years. Alerts user to replace unit after 10 years of operation.
Peak Level Memory – Displays the highest CO concentration measured since the last reset.
Test/Reset -Tests CO alarm circuit operation and allows you to immediately silence the alarm.
Customers find the carbon monoxide alarm easy to install and use, with a 10-year lithium-ion battery that eliminates the need for replacements. They appreciate its digital display and consider it excellent value for money, providing peace of mind and protection for their families. The durability receives mixed feedback – while some report it lasting 10 years, others mention it failing within 5 to 7 months.