Alerting Devices
How to pronounce: 
əˈlɜːtɪŋ dɪˈvaɪs  
        
    
												    
						    
						Definition:
			Auditory, visual or tactile based devices that are designed to alert users with sensory impairments to special circumstances and situations (e.g. flashing doorbell alerting systems, paging devices, telephone signaling systems, smoke alarm systems, security alarms, and wake up alarms).
