Features:<br> 9 in 1: Multifunctional air quality detectors monitoring of CO2 concentration, COconcentration, TVOC value, HCHO value, PM2.5/PM10 value, temperature and relative humidity.<br> Large digital screen with backlights, clear and easy to read, support alarm function.<br> Using air semiconductor sensor, PM2.5 sensor and electrochemical sensor, high-performances chip, detection is more accurate, high accuracy, and the accuracy can reach 1PPM.<br> Equipped with 2000mAh high-capacity rechargeable battery, low power consumption and long endurances, no need to replace the battery frequently.<br> Suitable for office, school, warehouse, agricultural plantings, etc. No need to calibrate at starting, automatic monitoring.<br> <br> Specifications:<br> Material:ABS<br> Color:Black,White<br> Display: 2.8Inch Screen<br> Size:Approx.89mm/3.5'x82mm/3.2x36mm/1.4'<br> <br> Note:<br> Please allow 1mm errors due to manual measurement.<br> Due to the difference between different monitors, the picture may not reflect the actual color of the item.<br> <br> Package includes:<br> 1x Air Quality Monitors<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store