Product Features: • Real-time monitoring of the concentration of airborne particulate matter PM2.5 • Digital display, simple and intuitive • LED lights indicate air quality Product Features: • Professional quality: imported sensors, data reliability, ease of use • Real-time monitoring: to help you understand the environment around anywhere, in order to take effective protective measures • numeric display: simple and intuitive • compact and convenient: easy to carry • Operation is simple: plug and play For the environment: • Family, shopping malls, offices, schools and other indoor environments • Simple instructions PM2.5 concentrations • assist in monitoring air purifier effect, easy hold control filter update Operating state (upright working machines need to keep around the two holes are not blocked) PM2.5 values after power displays real-time measurement data is refreshed once every seven seconds. After about 12 minutes after the LED lights indicate air quality measurements based on the average of 12 minutes before, after 12 minutes or so LED lamps lit in accordance with the corresponding average of the preceding 12-minute intervals. Green: Air quality excellent Yellow: Air quality good Red light: light pollution Green + Red: moderate pollution Yellow + red: Severe pollution Green + yellow + red flashing together: extremely dangerous recommend you to flee Earth
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