If you want the price to be cheap enough to use occasionally, you can consider buying the C605.
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FREE STANDING OR WALL MOUNTED: For ease of installation, the Kidde 5CO model can be placed free standing on any surface, or can be wall mounted with the included screws and wall plugs. LIGHTWEIGHT & COMPACT: The 5CO’s sleek design allows this life-saving device to blend into your décor, while remaining uncompromising on its strict quality testing.
eBay
FREE STANDING OR WALL MOUNTED: For ease of installation, the Kidde 5CO model can be placed free standing on any surface, or can be wall mounted with the included screws and wall plugs. LIGHTWEIGHT & COMPACT: The 5CO’s sleek design allows this life-saving device to blend into your décor, while remaining uncompromising on its strict quality testing.
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High sensitivity, ultra-low power consumption, fast computing speed, and accurate data. Data refresh frequency: 2 seconds. Automatic compensation technology, to reduce the impact on the carbon monoxide detection results, so that the detection results are more accurate.
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Alarm and base only
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🚨 Carbon Monoxide (CO) Detector – Battery Operated Gas Alarm. ✔ LED Display – Shows carbon monoxide concentration readings. • 1 × Carbon Monoxide Alarm. • Alarm Concentration Levels • Static Indicator: Green LED flashes every 30 seconds.
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【Power Saving Design】 Under normal conditions the green light flashes every 30 seconds without displaying PPM, this design is very power saving; and when carbon monoxide concentration is detected to reach the default value, the detector will display PPM, as well as an alarm prompt.
eBay
FREE STANDING OR WALL MOUNTED: For ease of installation, the Kidde 5CO model can be placed free standing on any surface, or can be wall mounted with the included screws and wall plugs. LIGHTWEIGHT & COMPACT: The 5CO’s sleek design allows this life-saving device to blend into your décor, while remaining uncompromising on its strict quality testing.
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