Testeur de qualité de l'air PM2.5, détecteur portable de PM2.5 avec thermomètre-hygromètre pour la maison, le bureau et les voyages, détection de la pollution intérieure et extérieure

[Portable and Durable] The built-in 1600 mAh rechargeable battery and compact design make it ideal for home office, travel, or outdoor use without frequent charging.

[User-Friendly Display] LCD screen with adjustable brightness clearly displays real-time PM2.5 temperature and humidity measurements under all lighting conditions.

[Stable and Versatile Placement] Includes a stabilizing bracket for desktop use in bedrooms, classrooms, or workspaces, ensuring stable monitoring during sleep or activities.

[High Accuracy Monitoring] Measures PM2.5 levels from 0 to 999 µg/m³ with accurate temperature (-10°C to 50°C) and humidity detection (20%-85% RH) for reliable air quality data.

[Real-Time Alerts and Calibration] Takes air samples every 1.5 seconds with an audible alarm for PM2.5 spikes and supports manual calibration. calibration to maintain accuracy over time.