5-in-1 Detection: This portable detector combines 5 detection functions: HCHO, TVOC, CO₂, temperature, and humidity. HCHO: 0–1.999 mg/m³. Humidity: 5–90% RH. Ultra-Precise Detection: With a detection accuracy of one thousandth, the monitor can quickly identify a variety of harmful substances, with a minimum detection limit of 0.001mg/m³.
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