Made in OMNI Japanese Multifunctional CO2 Concentration Meter with Alarm CO2 Concentration Tabletop Type [Safely Japan] Function, Meter, Temperature,

---------------------------------------------------------------------- Displays the carbon dioxide (CO₂) concentration around the product in real time. Large, easy-to-read fonts make it easy to understand instantly. In addition to carbon dioxide concentration, it displays in real time five indicators for creating a comfortable indoor space: TVOC (total volatile organic compounds), HCHO (formaldehyde), temperature, and humidity. The large, highly visible LCD displays the concentration of carbon dioxide (CO₂) numerically and in color, so you can quickly see the alert level and timing for ventilation. [GOOD] will be displayed in green when the carbon dioxide (CO₂) concentration is up to 600ppm, [OK] will be displayed in yellow from 600ppm to 1000ppm, and [POOR] will be displayed in red when it is over 1000ppm. When the red [POOR] lights up, ventilation is required, so please ventilate. To prevent sick building syndrome such as flickering eyes, runny nose, dry throat, and nausea, check the TVOC (total volatile organic compounds) and HCHO (formaldehyde) values. The product is manufactured in Japan and has been electrically tested to accurately display the carbon dioxide surrounding the product. Easy to carry, rechargeable, cordless, lightweight and compact size, you can use it anytime, anywhere. Cordless use can be used for approximately 10 hours. You can always measure by connecting the included USB cable (1m) to your smartphone charger. Recommended for use in cars, in each room of your home, in stores such as restaurants, and in office conference rooms. If this product becomes dirty, wipe it with a dry cloth or a cloth soaked in soapy water and wrung out well. If it is very dirty, use rubbing alcohol.