rectangular or circular box red or white in color an alarm sounder an indicator light a test button a hush button a mounting plate or bracket wires connecting it to other fire safety equipment
firealarm which has rectangular or circular box firealarm which has red or white in color firealarm which is an alarm sounder firealarm which is an indicator light firealarm which is a test button firealarm which is a hush button firealarm which is a mounting plate or bracket firealarm which has wires connecting it to other fire safety equipment