General description Equipped with high-quality temperature and humidity sensors, this CO2 air detector provides fast and accurate detections. The device features a 2.8-inch LCD screen with backlight, clearly displaying current CO2, temperature, and humidity values. The colored circle indicator changes according to the current CO2 level, making it easy to monitor air quality. It is user-friendly, requiring no calibration after booting, and can operate and detect automatically. Its compact size and lightweight design make it portable and convenient for various applications. Technical specifications Screen size: 2.8 inches Standby time: 240-360 minutes Usage This CO2 detector is widely used in various settings, including home use, educational institutions, agricultural cultivation, greenhouse cultivation, factory warehouses, and material processing.