Kidde FireX KF10 Smoke Alarm Detector Mains Battery Back Up Replaces KF1 4870

Kidde FireX KF10 Smoke Alarm Detector Mains Battery Back. Up Replaces KF1 4870. They now have a combined test / hush button. This mains-powered unit complies with UK Building Regulations for new housing and associated standards (Grade D BS 5839, Part 6).

eBay