High Accuracy - The sound level meter uses an intelligent air semiconductor sensor to test decibel temperature and humidity values, making it more sensitive, accurate and stable.
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USB Charging - This decibel meter has a built in 2000mAh lithium battery power supply with a 10ft USB charging cable so you can charge it anywhere.
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4 In 1 Decibel Meter - This decibel meter has multiple functions, having a decibel meter is equivalent to having a thermometer, hygrometer and clock at the same time.
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