PM2.5/1.0/10 detection: through the Mie scattering principle. Formaldehyde detection: through the semiconductor gas sensor TVOC detection: through the semiconductor gas sensor principle. Temperature and humidity detection: through the semiconductor ,humidity and heat sensor principle. Power level: the battery in the upper right corner of the screenshows the remaining power., Manufacturer: SLZJWLPPA
PM2.5/1.0/10 detection: through the Mie scattering principle. Formaldehyde detection: through the semiconductor gas sensor TVOC detection: through the semiconductor gas sensor principle. Temperature and humidity detection: through the semiconductor ,humidity and heat sensor principle. Power level: the battery in the upper right corner of the screenshows the remaining power., Manufacturer: SLZJWLPPA
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