KKYOYRE Mini CO2 Carbon Dioxide Concentration Meter with Portable CO2 Air Quality CO2 Carbon Dioxide CO2 Air Quality High Air Pollution Alarm For

【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.

【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary.

【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product.

【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. 1. [Real-time monitoring]: Data updated every 2 seconds. If 400-800PPM is green, it is safe. If it exceeds 801PPM, a repeating alert will appear every 10 minutes. (Detection range: 400-5000PPM). If there is no operation for 5 minutes, the screen will automatically turn off and enter standby mode. A short press will display the CO2 concentration and the screen display will last for 1 minute. 2.【Smart Chip】: The shell is made of smooth and harmless ABS material, and the high-definition screen displays numbers that reflect the CO2 content more intuitively. 3.【Small and convenient】: The net weight is only 0.15kg, it can be hung on a keychain, does not take up much space, and can be measured anytime and anywhere. 4.【Long time use & wide application range】: 3.7V polymer lithium battery with a capacity of 900MAH, it only takes 2.5 hours to charge, and the working time is up to 8 hours. Can be charged via TYPE-C USB interface. This machine has a wide range of applications and can be used in many public places such as homes, laboratories, offices, hotels, schools, factories, conference rooms, airports, hospitals, restaurants, etc. 5.【Warm Reminder】: Carbon dioxide is very harmful to human health. If you own this product, you can monitor CO2 concentration in real time wherever you are to protect your health and safety. If you have any questions, please contact us as soon as possible. Thank you for your support. Brand: KKYOYRE Weight: 0.15kg Size: 80*53*18 (mm) Voltage: 3.7 (V) Model: BR-020 Measurement accuracy: ±(50ppm+5%) Operating temperature: -10~50°C Detection range: 400~5000PPM