[Reliable Japanese-made] OMNI (Omni) Japanese-made Multi-functional CO2 Concentration Meter with Alarm Function, Temperature and Humidity Measurement,

●If this product becomes dirty, wipe it with a dry cloth or a cloth dampened with soapy water and wrung out well. For heavy soiling, use disinfectant alcohol.

Displays the carbon dioxide (CO₂) concentration around the product in real time. Large, easy-to-read characters allow for instant understanding.

In addition to carbon dioxide concentration, it displays five other indicators for creating a comfortable indoor environment: TVOC (Total Volatile Organic Compounds), HCHO (Formaldehyde), temperature, and humidity, in real time.

The large, highly visible LCD displays the carbon dioxide (CO₂) concentration using numbers and colors, allowing you to quickly understand the warning level and when ventilation is needed.

The display shows green for 【GOOD】 up to 600 ppm, yellow for 【OK】 between 600 ppm and 1000 ppm, and red for 【POOR】 above 1000 ppm. When the red 【POOR】 light illuminates, ventilation is necessary, so please ventilate the room.

To combat sick building syndrome symptoms such as eye irritation, runny nose, dry throat, and nausea, check the levels of TVOC (Total Volatile Organic Compounds) and HCHO (Formaldehyde).