WiFi 15 in 1 Luftqualität Detektor Formaldehyd CO2 Detektor LCD Display genau
ab 41,92 €
Formaldehyde HCHO alarm value -0.08mg/m3. For example, set the carbon dioxide concentration to turn on the fan when it exceeds 1500ppm and turn off the fan when it is lower than 800ppm. CO2 alarm value -1500PPM.
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