... SYSTEM ALARM SYSTEM ( FIRE BELL,MANUAL CALL,VIDIO-AUDIO ALARM )b.EQUIPMENT:CYLINDER, VALVE,SELETIVE VALVE LIQUID,CHECK PIPE,PRESSURE SWITCH ,NOZZLE,PIPE ETC.2 ... EASY BE FIRED AREA,ROOM OR PRODUCTION LINE ALSO BE APPLIED TO COPUTER ROOM,LIBRAY,FILE. CO2 FIRE SUPPRESSION SYSTEM FL-EZX-ZE70