- Stable measurement with fast refresh: the CO2 detector provides stable values and updates every second for quick detection of air quality changes. - Comprehensive sensing: monitors carbon dioxide concentration along with ambient temperature and humidity for a complete view of indoor conditions. - Color screen for easy reading: intelligent color display changes to indicate air quality levels, helping you decide when to ventilate or take action. - Wireless and long lasting power: wireless operation with a built in 1200mAh rechargeable battery, Type-C charging interface, and a standby time of 240 to 360 minutes per charge. - Practical applications: suitable for homes, offices and classrooms to monitor ventilation and maintain a comfortable environment. Use scenarios - In a home or apartment, place in living rooms or bedrooms to track CO2 levels and ensure safe air during daily activities. - In an office or conference room, monitor air quality to maintain productivity and comfort during work or meetings. - In classrooms or labs, observe occupancy and ventilation to manage air exchange during lessons or experiments.