The FireAngel FA3820-T2 Carbon Monoxide Alarm in White is a pack of two detectors designed to alert you to the presence of dangerous carbon monoxide gas in your home. Powered by two batteries, this model has a width of 12.5 cm and weighs 0.95 kg. With its reliable FireAngel brand reputation, this carbon monoxide alarm provides crucial protection for your household, ensuring early detection and warning in case of any potential gas leaks. Keep your home and loved ones safe with this essential home security device.