Fast Refresh Our carbon dioxide detector refreshes in real time, updating every 1 second. It delivers faster detection, stable measurement values, and more accurate air quality readings. Understand the Environment Monitors and displays carbon dioxide concentration, temperature, and humidity to help you understand the environment and track changes over time. Smart Display Equipped with a smart color screen for easy readability. Readouts are clear, and color-based alerts remind you to care for the environment. Wireless Detection and Power Wireless detection with a built-in 1200mAh rechargeable battery. Type-C charging interface. Standby time 240~360 minutes for convenient, cordless use. Use scenarios - Office or classroom: Monitor CO2 and ambient conditions to decide when to ventilate and maintain a healthy workspace or learning environment. - Home environments: Use in living rooms, kitchens, or bedrooms to assess air quality and humidity for comfort and well-being. - Small studios or gyms: Ensure adequate ventilation and stable conditions in compact spaces where air quality impacts performance.