Langkou 11-in-1 Air Quality Monitor - Indoor/Portable Detector for CO2, PM2.5/1.0/10, TVOC, HCHO with Temperature & Humidity Display

Ensure a healthy indoor environment with the Langkou 11-in-1 Air Quality Monitor, a professional-grade portable detector that provides real-time readings for CO2, PM2.5, PM1.0, PM10, TVOC, and formaldehyde. Featuring a clear LCD display with AQI indication and a CO2 alarm, this intelligent tester also monitors temperature and humidity, making it an essential tool for homes, offices, and schools.