... 1301 3.BRAND PRODUCT,HIGH QUALITY 1.THIS SYSTEM 3 PARTS:PART 1:FIRE ALARM & DETECTING,(SMOKE DETECTOR,HEAT DECTOR,PHOTOELECTRIC ... SMOKE DETECTOR,FIRE CONTROL PANEL,FIRE KEEP OUT LIGHT,DANGER WARNING LIGHT.PART 2:PIPES & ... ( THIS DECIDE THE DESIGNED CONCENTRATION )c.DO YOU NEED FIRE ALARM PART 1 LIKE SMOKE DETECTOR,...CONTROL PANEL,/...... HFC-227EA ...