Connected Detector -Air Quality Monitor for PM2.5 IQA Professional Fine Dust Sensor Detector Real Time Display Rechargeable Battery Highlights Generic Brand Air Quality Monitor for PM2.5 IQA Professional Fine Dust Sensor Detector Real Time Display Rechargeable Battery Description: Various Detectable Gases - Indoor air quality monitor with built-in electrochemical sensors can accurately detect carbon dioxide (CO2), formaldehyde (HCHO), volatile organic compounds (TVOC), and particulates (PM2.5 / PM10) in the air. These readings involve the detection of toluene, harmful chemicals, and pollutants in the air. New Design - The unique mold-designed air quality monitor with LCD color digital display can provide average value for each gas, because long-term monitoring, real-time data is unstable. Easy Operation - This air monitor is easy to operate and supports alarm sounds. At the same time, you can set the standard value of formaldehyde. If the density is higher than the standard value, the device will alarm. 2000mAh Portable Rechargeable Battery - It adopts 2000mAh rechargeable battery, packed with USB cable, and the standby time can be 8-12 hours. Wide application - widely used in homes, offices, businesses, governments, schools and automobiles. Detect and monitor air problems at any time to ensure the health of family members or employees. Specification: Size: 14.8x3x7cm/5.82x1.18x2.75 inch Material: Plastic Package Include: 1 Piece Air Quality Monitor 1 Piece USB Cable 1 Piece Manual Note: Please allow 1-3mm of measurement deviation due to manual measurement. Due to the different monitor and light effect, the actual color of the item may be slightly different from the color showed on the pictures.Thanks!