Perfect for families, school administrators, and industrial officers seeking professional detection without complex operations requirements Its alert systems instantly notifies users through visual / sound alarms when detecting hazardous concentrations, while the compact design enables portable use during home inspections or workplace audits The CO2 Detector delivers real time of PM2.5, formaldehyde, and CO2 levels with sensitive sensors, ensuring accurate air assessment for healthier indoor environments Featuring a high sensitivity digital display and shock resistant ABS housing, this air monitor combines response technology with construction for in demanding conditions Optimize air in nurseries, laboratories, or renovated spaces where formaldehyde exposure risks and particulate matter fluctuations demand continuous, Manufacturer: YanFengPro