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comfortable grip in both wet and dry conditions
and date window at 3 o'clock
Simple operation Submerge probe/thermistor into fish tank or a refrigerator or any place you want to monitor the temperature
put the meter into PH 9
First Alert CO400 Battery Operated Carbon Monoxide Alarm Detector comfortable grip in both wetProduct Description The First Alert CO400 Carbon Monoxide Alarm utilizes an electrochemical carbon monoxide sensor to monitor your space for a carbon monoxide threat. The battery powered design doesn't require an electrician; simply insert the included 9 volt battery, and the carbon monoxide detector is ready to go. The advanced electrochemical CO sensor detects carbon monoxide leaks from multiple sources, such as faulty fuel burning appliances,
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