Smgda LED Screen Air Quality Monitor Real Time Indoor CO2 Meter Formaldehyde HCHO TVOC CO AQI Analyzer Carbon Dioxide…

Amazon.com Price: 29.99 (as of 08/04/2023 22:30 PST- Details)

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1. Multifunctional Air Quality Monitor: 5 in 1 CO2 monitor can detect real-time accurate detect air of Carbon Dioxide(CO2), Formaldehyde(HCHO), Volatile Organic Compounds(TVOC), CO, AQI. CO detection range: 0-2400PPM. CO2 detection range: 0-5000PPM. HCHO detection range: 0-1.999mg/m³. TVOC detection range: 0-12mg/m³.
2. Screen Display: 5 inch LED screen digital display design, this air quality monitor is super easy to read and shows clearly real time data. The battery displays three color states: green, orange, and red. Green indicates sufficient power. Orange indicates half of the battery. Red indicates insufficient power (Need charge it in time!).