CO2 Detektor WiFi Luftqualitätsmonitor Temperatur Luftfeuchtigkeit Tester Thermometer Hy
37,14 €
When the CO2 in the air exceeds the set alarm value 1000PPM, it will emit a warning sound, reminding you to open the window or open the air purifier to maintain air balance. And if you do not like the alarm, press the power button once to turn it off.
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