5-in-1 Air Quality Meter Temperature Humidity Detector CO2 TVOC HCHO Tester
TVOC: 0 -9.99mg/m³. HCHO: 0-1.999mg/m³. C02 indicator Battery type: lithium battery. 1 x Air Quality Monitor. Due to different monitor settings and lighting conditions, the actual color of the item may vary slightly from the pictures.