Manufactured 21.11.2024. Date of replacement 21.05.2035 The Firehawk CO7B-10Y Carbon Monoxide Alarm Detector is a reliable and essential safety device for homes and businesses. Powered by a battery with a 12-month lifespan, this alarm detector manufactured at end of 2024 by FireHawk features an electrochemical carbon monoxide sensor for accurate detection. With a compact design and weighing just 84g, this white alarm detector is easy to install and provides peace of mind knowing you and your loved ones are protected from the dangers of carbon monoxide poisoning.