A standard function Digital sounder for fireplace, stability and industrial purposes; the Sonos Sounder Beacon is Qualified to EN54. You can take care of your shortcut inside the Bose app. Out with the box, the factory default shortcut is ready to linking, making it possible for you to utilize the https://www.firesense.co.uk/type/conventional-fire-system/conventional-sounders-vids-vads/