Supplementary to Audible Alarms: VADs are significantly helpful in high-sounds areas or where Listening to security is worn, supplementing common audible alarms. A VAD or Visual alarm product is a form of crisis inform technique that gives a visual cue to persons in the course of an crisis. Mēs izmantojam https://www.firesense.co.uk/type/addressable-fire-system/addressable-sounders-vids-vads/