A common objective electronic sounder for fire, safety and industrial programs; the Sonos Sounder Beacon is Licensed to EN54. Provision of telephones appropriate with Listening to aids, marked Using the conventional ear and ‘T’ symbol and equipped with inductive couplers and quantity controls. The specialized storage or access is strictly https://www.firesense.co.uk/type/conventional-fire-system/conventional-sounders-vids-vads/