Air quality monitor with 5 detection values: Temp Humidity HCHO TVOC CO2 Features: Detection values for temperature, humidity, formaldehyde, volatile organic compounds and carbon dioxide. This air quality monitor has a colour display screen to see the detecting data clearly.This air quality monitor can be used in your home, office, desktop, hotel, etc. This air quality monitor uses infrared detection technology, laser detection technology and electrochemical detection technology to show accurate data. There are four different colours to show the different qualities of the air being monitored: Green means the air quality is good and the colours ranging from yellow to orange to red mean a worse air quality is present. The temperature unit can be switch between degrees Celsius and Fahrenheit. Specifications:HCHO detecting ranges: 0-9.999mg/m³TVOC detecting ranges: 0-9.999mg/m³CO2 detecting ranges: 400-5000PPMRecharging method: USB 500mA Type-c interfaceBattery: 1 * lithium battery, 1200mAh (included)Item size: 90 * 70 * 35mm / 3.5 * 2.8 * 1.4inPackage size: 118 * 115 * 48mmPackage weight: 200g
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