Supplementary to Audible Alarms: VADs are specially productive in superior-sounds parts or wherever Listening to safety is worn, supplementing standard audible alarms. Set up in Higher-Sound Parts: Put in visual alarms in places wherever noise ranges exceed ninety dB(A) or wherever Listening to protection is often applied. Google strategies to https://www.firesense.co.uk/type/addressable-fire-system/addressable-sounders-vids-vads/