[9in1 Air Quality Tester]: This detector can be used to test and display the concentration of PM2.5, PM10, CO, CO2, TVOC, HCHO, , temperature and humidity at the same time. [High Accurate Sensors]: Uses high-precise semiconductor TVOC sensor, electrochemical CO sensor, infrared PM2.5 sensor, temperature and humidity sensor, with high sensitivity, superior interference resistance ability, stable working performance, with low power consumption. [TFT Color Display]: This air quality monitor with a TFT color display, you can the data is clearly visible and the screen is not dazzling. [Wide Applications]: Real-time detection, automatic refresh data, with multi-use. Suitable for agricultural planting, greenhouse vegetables, production warehouse, material processing, , business offices, and etc. Battery: 1 * 2000mAh lithium battery (included) Display: TFT color display Sensor: semiconductor TVOC sensor, electrochemical CO sensor, infrared PM2.5 sensor, temperature and humidity sensor HCHO measurement ranges: 0-9.999mg/m TVOC measurement ranges: 0-9.999mg/m PM2.5/PM10 measurement ranges: 0-999g/m CO: 0-1000PPM CO2 measurement ranges: 0-5000PPM Temperature measurement ranges: 0-70 Humidity measurement ranges: 0-99%RH : 0-500 Recharging : USB Type-C interface, 5V 2A Item size: 70 X 90 X 35mm / 2.76 X 3.54 X 1.38in Colour:black Material:plastic Package Contents: 1 x Air Quality Monitor 1 x Type-C Cable 1 x Guideline Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.