Carbon monoxide detector, carbon monoxide detector with replaceable battery, with digital display

High-quality carbon monoxide detector: The EN 50291 certified CO alarm detector uses a high-precision electrochemical CO sensor. High-precision and reliable electrochemical sensor for quick detection of CO gas leaks and a loud beep. This carbon monoxide detector, using a high-precision electrochemical sensor, warns you of the danger of carbon monoxide. It ensures your safety. 3 AAA batteries – This CO detector is powered by AAA batteries. Easy to install. A continuous beep every 30 seconds will alert you when the batteries are low. Low battery warning. Easy installation. Suitable for any location where carbon monoxide is produced. 100% satisfaction guaranteed.