🌱 Breathe better, live better! Advanced sensors for CO2, HCHO, and PM levels. Compact design with a robust battery life. Store and export data for up to 400 days. Monitor your air quality effortlessly. Real-time alerts for optimal air quality. Data logging for 400 days Rechargeable 2200 mAh battery Real-time dust detection The Smart 128s Air Quality Monitor is a cutting-edge device designed to measure indoor air quality, including CO2, PM2.5, TVOC, and formaldehyde levels. With advanced laser and electrochemical sensors, it provides real-time data logging for up to 400 days, ensuring you stay informed about your environment. Its portable design and rechargeable battery make it perfect for home or office use.