Essential CO2 tester for small indoor spaces — monitor air quality at home or on the go and take action when levels rise. Key benefits Real-time, accurate CO2 readings: Know when indoor air needs ventilation or filtration so you can reduce pollutant exposure. Protect sensitive groups: Helps maintain safer air for children, the elderly and pregnant women by detecting elevated CO2 and indoor pollutants. Clear, easy-to-read display: Large display shows data at a glance for quick decisions. Multilingual support: Interface available in multiple languages to suit different users. Compact for limited spaces: Designed for use in smaller rooms and portable enough to move between locations. Action-oriented data: Provides reliable indoor readings that let you respond — open windows, increase ventilation, or run an air purifier. Key functions and compatibility CO2 monitoring specifically designed for indoor use in compact areas. Works as a decision tool alongside existing ventilation systems and air purifiers to improve indoor air quality. Simple operation and readable outputs make it suitable for non-technical users. Practical use scenarios Home: Place in the living room or nursery to monitor air quality during gatherings, naps, or extended indoor time and ventilate when CO2 rises. Office and meeting rooms: Keep the device in conference rooms to track ventilation needs during meetings and maintain a comfortable, productive environment. Schools and hotels: Use in classrooms or guest rooms to ensure safe, breathable air and trigger corrective action like airing out or running purification devices. What makes it stand out Focused on small, everyday spaces where people spend extended time and where poor ventilation can quickly affect comfort and health. User-friendly display and language options make it accessible to a broad range of users without extra setup. Suitable environments Homes, offices, schools, hotels and other limited indoor spaces where monitoring CO2 and indoor pollutants matters.