Joogto Portable Air Quality Detector, the ultimate solution for monitoring and ensuring the air quality in your indoor spaces. This compact device combines a 5 in 1 function, measuring CO2, TVOC, formaldehyde (HCHO), temperature, and humidity, providing you with comprehensive insights into your environment. Equipped with a high-performance chip, our air quality monitor delivers accurate results by capturing weak currents generated during the electrochemical reaction process. With precise measurements for formaldehyde, you can trust our detector to provide reliable information about the air quality in your surroundings. The intuitive design of our carbon dioxide detector features a smart color screen that displays clear numbers, making it easy to identify and read the measurements. It also includes an alarm mode that alerts you to potential environmental safety concerns through color changes, ensuring you stay informed and protected. Our portable air quality detector is suitable for a wide range of applications. Whether you need to monitor air quality in agricultural planting, greenhouse vegetables, production warehouses, raw material processing areas, gyms, indoor spaces, cars, or offices, this device is your reliable companion. Take it with you wherever you go and keep track of the air quality around you. Using our carbon dioxide detection instrument is hassle-free. It does not require calibration and can be tested immediately upon power-on. Please note that the data may fluctuate initially, and it will stabilize after a short period. This user-friendly feature ensures convenience and ease of use. 5 in 1 Function: Measures CO2, TVOC, formaldehyde, temperature, and humidity. Accurate Results: High-performance chip provides precise measurements for formaldehyde. Please note that this portable air quality detector is designed for personal purposes and cannot replace professional instruments.