Air Quality Monitor for HCHO, TVOC, Temperature and Humidity Indoor Outdoor Detector LCD Screen Formaldehyde Tester… Price: $73.99 (as of 01/08/2021 02:15 PST- Details)

High-Precision Data range: Working Temp -10℃-40℃(±1℃):14°F-104°F(±33.8°F), Indicator lights, simulation bars and facial expressions indicate multiple air quality levels
Test Air Quality Indispensable: Air detector is a professional air quality monitor for formaldehyde, TVOC, Carbon Dioxide Support temperature and humidity Chemical Pollution measurement
Rechargeable Battery: When charging with the Micro USB that comes with the instrument, please use a power adapter with a specification of “5V-1A”. In general, it takes about 3 to 4 hours to fully charge the batter

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