- Accurate CO2 detection with fast detection speed and stable measurements, 1 second real-time refresh - Humidity detection and temperature monitoring: displays CO2 concentration, temperature and humidity to help you understand the environment - Smart color display: clear color screen for easy reading; color changes remind you to pay attention to air quality - Convenient charging: Type-C charging interface; built-in 1200mAh rechargeable battery; standby for 240–360 minutes; wireless detection for practical use Use scenarios: - Home or apartment: monitor living areas, bedrooms, or nursery to manage ventilation and comfort for family health - Office, classroom, or small workspace: track air quality to maintain a safe, comfortable environment for occupants - Kitchen, gym, or workshop: observe humidity and CO2 levels to adjust ventilation and maintain suitable conditions This device provides reliable real-time air quality information without adding complexity, helping you make informed decisions about indoor ventilation and comfort.