Specially successful with the Deaf or tough of Listening to, particularly in eventualities in which Visible alarms may go unnoticed. It’s vital that these sounders and Visible alarm devices are prominently marked with “FIRE ALARM” for very clear identification. Combining an audible alarm and a visual alarm, the MB-FL is https://www.firesense.co.uk/type/conventional-fire-system/conventional-sounders-vids-vads/