It is an advanced Dust detection instrument built in high-quality laser sensor to allow real-time monitoring of particulate matter (PM2.5), temperature and humidity on its digital LED display. This instrument is suitable for various fields, Its design is simple and elegant, and the operation is simple and easy to understand. Just press the start button and the instrument can quickly enter the working state, providing you with real-time dust concentration data. Accurate measurement technology and reliable data display allow you to easily understand the changes in  particulate matter (PM2.5) in the air. By monitoring the concentration of  particulate matter (PM2.5), you can adjust the ventilation system reasonably, improve indoor air quality, and create a healthy and comfortable environment for you.