Carbon Monoxide Detector: This CO detector, equipped with a high-quality electrochemical sensor, has a lifespan of 10 years. It continuously monitors carbon monoxide and displays real-time data on the LCD screen. CE certified and compliant with EN 50291, it effectively protects your family. Portable and Rechargeable 3-in-1 Detector: Measures temperature, humidity, and CO concentration. With a 1000mAh battery, it offers 60 hours of battery life. Perfect for homes, campers, caravans, and boats, especially those with a fireplace or gas heater. Effective Protection: This detector covers 20-40 m² and measures CO from 0 to 999 ppm with an accuracy of ±5 ppm. Temperature and humidity are updated every 2 seconds. LCD Display and Alarm: All data is displayed on a 2.48-inch LCD screen. An 85 dB alarm is triggered if CO exceeds 50 ppm. Easy to Use: Self-test function and low battery alert. Three buttons: On/Off, Brightness, and Mute. Flexible Placement: Can be placed on a surface or mounted on