- Fast refresh: Real-time carbon dioxide monitoring with a 1-second refresh rate, delivering faster detection, stable readings, and more accurate air quality assessment. - Detection temperature: Monitors and displays carbon dioxide concentration along with ambient temperature and humidity. - Easy to read: Uses color-change alerts to signal air quality and a smart color screen display for easy reading of all parameters. - Long battery life: Standby 240–360 minutes with wireless detection, built-in 1200 mAh rechargeable battery, and a Type-C charging interface. Use scenarios - Home or office: continuously monitor CO2 levels to help maintain a comfortable and well-ventilated environment for work or study. - Classroom or meeting room: track air quality to ensure adequate ventilation and a conducive learning or discussion space. - Small workshop or studio: observe environmental parameters to support safer and more comfortable working conditions.