The FireAngel Optical Smoke Detector Alarm is a reliable and efficient home security device that operates on 2 x AA batteries with a 5-year manufacturer warranty. It features an optical sensor for detecting smoke, a slimline profile for easy installation, and a white colour that blends seamlessly into any home decor. With replaceable batteries and a long warranty, this smoke detector provides peace of mind for you and your loved ones, ensuring early warning in case of a fire emergency. Box 6
eBay