Description DIY Supplies : Paint DecoratingCarbon Dioxide Detector, Air Quality, Temperature and Humidity, Infrared Three-In-One CO2 Semiconductor PortableOne machine can quickly detect small figures, great functions, 4S/time real-time refresh, fast detection can obtain more stable measurement values.Air convection design is more accurate, and the instrument adopts a three-dimensional air duct design to increase the air flow rate and accurately calculate the content of small particles.One-button switch to fully control the power on or off by pressing and holding the power button for 3 seconds, and the surrounding environmental conditions can be automatically detected after the power is turned on.Large screen display reads intuitive LCD screen display + smart backlight, soft eye protection, clearer display.Smart chip anti-interference technology products use high-performance analysis chips to accurately capture the weak current generated during the electrochemical reaction, and the detection is more accurate.Colour: blackMaterial: PC+ABSPackage Contents:1 * Air quality detectorOnly 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.