ALARM BELL, 24 VDC, 8″ https://hotfix.nsiindustries.com/product/alarm-bell-24-vdc-8/ BELL,ALARM,24VDC,8 IN,80 DB
REMOTE ANNUNCIATOR https://hotfix.nsiindustries.com/product/remote-annunciator/ ANNUNCIATOR,REMOTE,16 TO 33VDC,30MA
