Compact in size, lightweight and portable, easy to carry. Adopts the most accurate TVOC sensors, real-time detection, automatic data refresh, with multiple uses. Large LCD display, you can clearly see the power consumption, CO2 value, TVOC value, HCHO value, temperature and humidity. ℃ and ℉ can be switched, with stable detection performance, anti-jamming capability, low consumption and can provide long service life. Equipped with air quality level division function, four different colors correspond to different air quality levels, allowing you to more accurately and graphically know the current air conditions. Hundreds of ventilation holes on the outer shell, not only accelerate the convection between air and machine to achieve effective detection, but also provide fine heat radiation effect. Color: White Material: ABS Package Contents: 1 * Air Detector 1 * USB Cable 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 +/- 1-3 cm.