<p>Features: 9 In 1 Air Quality Detector: This detector can detect the temperature, humidity, PM2.5, PM10, HCHO, TVOC, CO, CO2, at one time, you can view the data you care about at any time.</p> <p>LCD Color Display with Backlight: The colorful screen allows you to see different values at a glance, and the backlit display makes it easy to see data at night.</p> <p>Portable Size: This air quality detecor can be held easily, and it also can be placed on your desk for use.</p> <p>Large Capacity Battery: This air quality detector with built-in lithium battery power supply, the large-capacity battery can provide a long service time and can be recharged in time when the power runs out.</p> <p>Advanced Detection Technology: The HCHO and CO adopting electrochemical detection technology, TVOC and CO2 adopting semiconductor detection technology, PM2.5 and PM10 using infrared sensors.</p> <p>Specifications:</p> <p>Detecting ranges:</p> <p>Temperature: 0-70\u2103</p> <p>Humidity: 0-99 %RH</p> <p>HCHO: 0-9.999 mg\/m\u00B3</p> <p>tVOCE: 0-9.999 mg\/m\u00B3</p> <p>PM2.5: 0-999 \/m\u00B3</p> <p>PM10: 0-999 \/m\u00B3</p> <p>CO: 0-5000 PPM</p> <p>CO2: 0-5000 PPM</p> <p>: 0-999</p> <p>Working voltage: 5V</p> <p>Battery: 1 * lithium battery, 1200mAh (included)</p> <p>Recharging port: Type-C</p> <p>Material: plastic</p> <p>colour: black</p> <p>Package Contents:</p> <p>1 x 9 In 1 Air Quality Detector</p> <p>Only the above package content, other products are not included.</p> <p>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.</p>