• Indoor temperature and humidity display • C/F switable • Indoor CO2 index display • CO2 concentration alarm • Degree calibration function • Temperature: -10~50℃, resolution: ±1℃ • Humidity: 1~99%, resolution: ±5% • CO2 detection accuracy within 50ppm+5% • Power by 3*AA batteries (excl.) / adaptor (incl.) / USB charging (excl.)
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