CO2 detection range: 400~5000PPM Charging: USB Type-C interface Applicable temperature: -1~+70 Color: black Detection principle: semiconductor sensor Features: 1. Small size, light and portable, easy to take out and carry. 2. Adopt most TVOC sensors, high accuracy, real-time detection, automatic data update, one machine for multiple uses. 3. Large LCD screen, power, CO2 value, TVOC value, HCHO value, temperature, humidity are clear at a glance. 4. Stable detection performance, strong anti-interference ability, low power consumption and long service life. 5. Equipped with air quality zoning function, four different colors correspond to different air quality levels, allowing you to understand the current air conditions more accurately and intuitively. 6. There are hundreds of ventilation holes on the shell, which not only accelerates the convection between air and machine, realizes effective detection, but also provides good heat dissipation effect. 7. Widely used: agricultural planting, greenhouse vegetables, production warehouses, material processing, home decoration, business office, etc. Package List: 1 * Air Detector 1 * USB Cable 1 * User Manual (English) Note: 1. Please allow some errors caused by manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.