General description The Carbon Monoxide Detector is a high-quality device designed for rapid detection of carbon monoxide (CO) gas leaks. It features an EN 50291 certified electrochemical CO sensor that ensures reliability and longevity. Technical specifications Detection range: 20 to 999 ppm Alarm volume: 85 dB Power supply: 3 x 1.5V AA batteries (batteries not included) Installation Can be easily installed on a wall or ceiling Includes mounting accessories for quick setup Usage Features a large LCD digital display for real-time CO concentration readings Blue backlight activates when CO concentration exceeds 50 ppm for better visibility at night Self-test function to detect hardware failures and ensure proper operation Low battery warning alerts users to replace batteries