CO2 Meter Temperature Humidity Air Quality Monitor Carbon Dioxide Detector Color:White clear and visible calls

clear and visible calls

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CO2 Meter Temperature Humidity Air Quality Monitor Carbon Dioxide Detector Color:White clear and visible callsCO2 Meter Temperature Humidity Air Quality Monitor Carbon Dioxide Detector Features: Large LCD screen, different font colors display different air quality, green numbers, yellow numbers, orange numbers, red numbers, four colors above 2000ppm flash at the same time. The product has a compact structure and is easy to transport. The ventilation holes on the back not only accelerate the convection between the air and the machine, so as to obtain effective