【11-in-1 Portable Air Quality Monitor】Monitor 11 critical air quality indexes in real-time: AQI, CO2, PM1.0/PM2.5/PM10, Particle count, HCHO, TVOC, temperature, Humidity, and dual alarm systems. This laboratory-grade indoor air quality monitor provides precise detection of hazardous substances like construction dust, mold spores, and chemical off-gassing.
【Multi-Sensor Fusion Technology】Featuring NDIR infrared CO2, laser particle, semiconductor, photoelectric, temperature & humidity sensors, this indoor air quality detector responds instantly and precisely, giving you trustworthy data on CO2 levels, PM2.5 concentration, TVOC emissions, and more.
【Color & Sound Dual Alarm Systems】Built-in color-coded icons (Green for Good ▶ Yellow Moderate ▶ Orange Poor ▶ Red Unhealthy) and a loud ticking alarm notify you the moment any gas threshold is exceeded. The flashing light and screen color change help you take action fast to improve indoor air quality.
【Long-Lasting Battery】Powered by a 2500 mAh rechargeable battery and fast USB-C port, this detector runs for 11-12 hours on a single charge. Low-power consumption and portable design mean uninterrupted indoor air quality monitoring wherever you go.
【Clear LCD Display】The large backlit LCD screen on this portable air quality monitor shows each reading in vibrant color reminders. Brightness adjusts to your environment-day or night-so you can check temperature, humidity, AQI and more at a glance.
![Aranet4 Home: Wireless Indoor Air Quality Monitor for Home, Office or School [CO2, Temperature, Humidity and More] Porta](/_next/image?url=https%3A%2F%2Fm.media-amazon.com%2Fimages%2FI%2F61EVDR3FJpL._SL400_.jpg&w=3840&q=75)