
Battery Powered Carbon Monoxide Alarm En50291 Standard Carbon Monoxide Detector. Advanced Electrochemical Sensor: Ensures accurate detection with a 3-year or 5-year lifespan depending on model. Comprehensive Safety Alerts: Features sound, light, and LCD display for low battery, fault, and end-of-life warnings. Real-Time CO Monitoring: Displays CO concentration from 20 to 999 ppm with peak memory retention. High Decibel Alarm: Loud 85dB audible alarm ensures detection from up to 3 meters away. 360-Degree Gas Intake: Natural diffusion design allows for efficient gas sampling from all directions. CE Certified Standard: Meets EN50291-1:2018 safety standards for reliable carbon monoxide detection. Long Battery Life: Powered by 3 replaceable AAA batteries with over 1 year of standby operation. Flexible Installation: Easy wall or ceiling mounting with included accessories for versatile placement.