Indoor Air Detector: PM2.5, Temperature Humidity, USB Powered, Real,Time Readings Poor Air Quality Alert

Compact and portable design makes it easy to carry and use in any room of your home. Large screen displays PM2.5 index, indoor temperature and humidity readings, providing clear and convenient readings. USB rechargeable design ensures long-lasting use and convenience. Alarm function alerts you when air quality is poor, allowing you to take action to improve your home environment. Accurate and reliable readings help you monitor and maintain indoor air quality.