Equipped with a smart color display and hearable / visual alerts, this portable CO2 detector automatically start flashing red warnings when concentrations 1600ppm, ensuring prompt environmental adjustments Compact and versatile, this air meter operates effectively in homes, schools, hospitals, laboratories, restaurants, and commercial spaces requiring continuous CO2 levels supervision Designed with strong ABS construction and USB C charging compatibility, this multi functional analyzers serves as present for conscious individuals prioritizing health focused environmental management Essential for homeowners, educators, healthcare professional, and facility managers seeking stable indoor air analysis in dynamic environments The MT03 CO2 Monitor features a built in 1200mAh battery and advanced TVOC sensors, providing real time detection of CO2 levels, temperature, and humidity for comprehensive air, Manufacturer: PLCPDM