Description: In our daily life, we all know that the quality of air is very vital to our for health, so you need an air quality detector to detect the air quality for you, this product can not only detect CO2 for you, but also the TVOC, HCHO, temperature and humidity for you. You can use it in your home, outdoor or wherever you want, come on and try it. You will not be disappointed with it. brand new and high quality Features: With the big display screen, so you can see the data more clearly, which can give you a better using experience. This product can not only detect the CO2 for you, but also can detect TVOC, HCHO, temperature and humidity, which can give you the data that you care about. This product is in small size, so you can carry it with you to anywhere you want to use it. With the intelligent alarm function by the color and voice, which can tell you the current air quality level. A wide application: you can use this product for home air detect, car air detect, office air detect and so on. With the high accuracy chip, which can accurately captures the weak current generated during the electrochemical reaction process and accurately calculates the HCHO measurement results. CO2 Detector Set only, other accessories demo in the picture is not included. Specification: Working voltage: for DC 5V Working temperature: 10~50 Alarm: color, voice 18500 Lithium battery: 1200mAh Material: ABS Size: app.67x32x98cm/26.38x12.60x38.58in Color: White Power Supply: USB Charging Quantity: 1 Set Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Contents: 1 x CO2 Detector 1 x Type-C Cable 1 x User Manual