Accurate Detection The carbon dioxide detector measures air quality with high accuracy, fast detection, and stable readings, with real time refresh every 1 second. Multi Function Monitors and displays ambient temperature and humidity together with CO2 concentration to give a complete view of the environment. Easy to Read Color change alerts draw attention to changing air quality, and a smart color screen presents parameters clearly for easy reading. Wireless Detection Wireless operation with a built in 1200mAh rechargeable battery, TYPE-C charging interface, and standby time of 240–360 minutes for convenient use. Applications Home: monitor living spaces to optimize ventilation and comfort. Office: maintain healthy CO2 levels and comfortable climate for better productivity. Classroom or laboratory: track occupancy related air quality and ensure safe conditions. Note: Keeps the original features and specifications without adding new details.