Item Type: Air Quality Monitor <br>Material: ABS <br>Weight: Approx. 174g / 6.1oz <br>Detection Technology: Semiconductor, Infrared, Laser <br>Operating Temperature: 0-70℃ <br>Display: TFT Full Color Screen <br>Working Voltage: 5V <br>Battery: 2000mah Polymer Lithium Battery (Included) <br>Sensors: PM2.5 Sensor, Semiconductor Sensor, Electrochemical Sensor <br>Detection Range: PM2.5 0-999 ug/m3, PM10 0-999 ug/m3, HCHO 0-9.999 mg/m3, Organic Pollutants (TVOC) 0-9.999 mg/m3, CO 0-1000 PPM, Carbon Dioxide 0-5000 PPM, Temperature 0-70℃, Humidity 0-99%RH, Air Quality Index (AQI) 0-500<br>1、Accurate HCHO Measurement: Our air quality monitor utilizes a high performance chip to capture weak currents generated during the electrochemical reaction, providing precise measurements for HCHO. <br>2、Simple And Intuitive: The carbon dioxide detector is equipped with a TFT smart color screen that displays clear digital readings for easy identification and reading. <br>3、Alarm Mode: The CO2 digital meter also features an alarm mode that alerts you to environmental safety through color changes. <br>4、User Friendly: Our carbon dioxide detector does not require calibration and can be tested when powered on. <br>5、Wide Applications: Our smart air quality monitor is suitable for various places such as agriculture, greenhouse vegetables, production warehouses, material processing, gyms, indoor spaces, cars, offices, ect.When powered on, the data may be unstable and will continuously change. It needs some time to stabilize.<p>1 x Air Quality Monitor&nbsp;</p><p>1 x User Manual</p><p>1 x USB Cable</p>