5 in 1 Portable CO2 Meter Air Quality Monitor TVOC HCHO Carbon Dioxide Detectors

[LCD Color Screen] Displays CO2, CO2 index, HCHO (formaldehyde), TVOC,, humidity and level. TVOC Detection Range: 0 ~ 2.0mg/m3. HCHO Detection Range: 0 ~ 0.6mg/m3. CO2 Detection Range: 400 ~ 5000 PPM.

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