UNI-T A25D Air Quality Monitor

The UNI-T A25D is a professional-grade air quality monitor designed to measure PM2.5 levels, temperature, and humidity in real time. With high-accuracy readings across a wide range (PM2.5: 0–500 μg/m³, Temp: ±1°C / ±1.8°F, Humidity: 5%–99%RH), the A25D is suitable for indoor environments like homes, offices, schools, hospitals, and public spaces. Key features include an intuitive LCD with backlight, a red backlight warning alarm for high pollution levels, auto power-off, low battery indication, and a concentration emoticon display to quickly gauge air quality. It runs on a built-in 1500mAh rechargeable battery and comes with a 1m micro USB cable. Compact and portable, the A25D helps you monitor indoor air health with precision and ease.