Firechief Carbon Monoxide Alarm Twin Pack 5 Year Battery CO Detector with LCD Display, EN50291 Certified, Electrochemical Sensor, Home Safety (FBCA05/2)

UP TO 5 YEARS BATTERY POWERED PROTECTION: Each CO alarm operates using 2 x AA batteries with up to 5 years battery life, reducing the need for frequent battery changes and helping maintain consistent protection. TRUSTED CO SENSOR TYPE: Advanced Electrochemical Carbon Monoxide Sensor Technology is designed to detect dangerous CO levels accurately, helping reduce false alarms while providing dependable monitoring for your home. CLEAR LCD DISPLAY + LOUD AUDIBLE ALERT: The easy-to-read LCD screen shows alarm status and CO levels, while a powerful 85dB alarm at 3 metres is designed to alert occupants quickly if carbon monoxide is detected. CERTIFIED FOR RESIDENTIAL USE: Certified to BS EN 50291-1:2018, meeting recognised European safety standards for carbon monoxide detection in homes, flats, caravans, and boats. LONG-LIFE SENSOR & WARRANTY: Built with a 10-year sensor lifespan and supported by a 5-year product warranty. Includes a 10-minute hush function to silence nuisance alarms (unless CO levels are critically high).