CO2 PM2.5 Multi Function Air Quality Detector - Measures CO2, PM2.5, formaldehyde (HCHO) and total VOCs (TVOC) with semiconductor sensors; PM2.5 detected by a laser scattering sensor; CO2 by a dedicated sensor. - Includes a temperature and humidity sensor to provide complete air quality context. - Compact handheld design for home, office, or travel; easy to carry and operate. - Real time readings deliver pollutant concentrations plus environmental conditions for quick assessment. - Standalone device requiring no external equipment or data connections. - Use scenarios: - After renovations or painting to verify formaldehyde and VOC levels. - In living rooms or workplaces to monitor CO2 levels and humidity for comfort and health. - During wildfire seasons or dusty days to track indoor PM2.5 concentrations. - Why it helps: provides quick, objective data to identify air quality issues, verify remediation, and maintain a healthier indoor environment.