3in1 indoor air monitor that measures CO2 levels, temperature, and humidity Key benefits Know when to ventilate: realtime CO2 readings help you reduce stale air and maintain a healthier indoor environment. Maintain comfort and protect occupants: simultaneous temperature and humidity readings make it easier to manage thermal comfort and reduce conditions that encourage mold or discomfort. Make fast, accurate decisions: precise sensors deliver reliable measurements so you can act with confidence. What it does Measures CO2 concentration, ambient temperature, and relative humidity in one device. Displays live readings on an easytoread LCD so current conditions are visible at a glance. Why it stands out Combines three essential indoorenvironment measurements in a single unit, reducing the need for separate instruments. Uses precise sensors to provide dependable data for homes, offices, and classrooms. Simple LCD readout for immediate awareness without complicated setup. Practical applications Classroom: Monitor CO2 to know when students need fresh air breaks or when to open windows to improve attention and reduce drowsiness. Office or meeting room: Track CO2 and humidity to keep staff alert and comfortable during long meetings or in shared spaces. Home living areas and nurseries: Check temperature and humidity alongside CO2 to maintain a comfortable and healthy environment for children and sensitive occupants. Use considerations Designed for convenient indoor use in homes, offices, and classrooms. Provides continuous, realtime readings on an LCD display for quick checks and everyday monitoring. Accurate, straightforward monitoring of CO2, temperature, and humidity in one reliable device.