3 in 1 functionality: this air monitor measures Carbon Dioxide levels along with temperature and humidity to provide a comprehensive assessment of your indoor environment. Clear LCD display: an easy to read screen with color coding helps you quickly understand your air quality readings. Enhanced measurement accuracy: advanced semiconductor sensors deliver reliable and consistent readings across different locations and conditions. Why you need it: monitors of CO2, temperature, and humidity enable you to manage ventilation, maintain comfort, and identify changes in air quality before they become noticeable. Practical applications: Home use: track room air quality in living spaces and bedrooms to adjust ventilation and maintain comfortable conditions. Office or classroom environments: monitor CO2 levels during meetings or classes to support good air exchange and a conducive learning or working environment. Other indoor settings: use in spaces like nurseries or study areas to keep temperature and humidity within comfortable ranges. Standout attributes: 3 in 1 function for allinone monitoring, clear color coded readings on a user friendly display, and reliable performance from semiconductor sensors designed for accuracy in various indoor locations.