Ensure peace of mind with the FireAngel First Alert 3120B Carbon Monoxide Detector, a vital safety device designed to protect you and your loved ones from the silent threat of carbon monoxide poisoning. This battery-powered unit, measuring a compact 10 cm in diameter and 5 cm in depth, is effortlessly portable and blends into any home decor with its sleek white finish. The CO Alarm features a loud 90 dB operating sound, ensuring that it's heard even in the depths of sleep. It comes with a single battery included, and with the assurance of a 10-year manufacturer warranty, you can trust in its long-standing performance. The model number is ELROBFGN0001, and it's designed and manufactured in the United Kingdom, adhering to stringent quality standards.