Without wireless gas concentration color screen tft usb charging intelligent atmosphere carbon dioxide detector The product is shipped based on the color or size of the main image of the product page. Features: 1. Fast update speed: large screen design, clear and easy to read. The real-time update time of carbon dioxide only takes 1s. 2. Accurate measurement: high performance chip is accurate and more excellent. It uses more professional infrared optics to detect carbon dioxide accurately and quickly. 3. Functions: carbon dioxide detection, risk assessment, temperature and humidity detection, intelligent alarm system, gas identification algorithm, multiple anti-interference, air convection technology, greenhouse compensation calibration. Description: 1. This product can measure the concentration of carbon dioxide. 2. It can be used in agricultural planting, greenhouse vegetables, production warehouse, material processing, home interior decoration, etc. Specifications: Size: 90 * 70 * 40mm Color: black, white (optional) Refresh time: 1s CO2 measurement range: 400-5000PPM Charging: USB lithium battery Measurement object: carbon dioxide Display screen: color screen TFT Material: PVC + ABS Temperature accuracy: ± 0.3 Humidity accuracy: 3% Accuracy: 1PPM Package Included: 1 × carbon dioxide detector 1 × instruction manual 1 × data line