Portable LCD Air Quality Meter 3 in 1/8 In1 Wifi PM1.0 PM2.5 PM10 CO2 TVOC HCHO

LCD display, automatically adjust the display brightness, and support switching the display content between HCHO & TVOC and PM1.0 & PM10 at power on. And also has WiFi function. Support switching the display content between HCHO & TVOC and PM1.0 & PM10 at power on.

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