... This System Including 3 PARTS:PART 1:FIRE ALARM & DETECTING,SMOKE DETECTOR,HEAT DECTOR,PHOTOELECTRIC SMOKE DETECTOR,FIRE CONTROL PANEL,FIRE KEEP OUT LIGHT,DANGER ... DECIDE THE DESIGNED CONCENTRATION )c.DO YOU NEED FIRE ALARM PART 1 LIKE SMOKE DETECTOR,...CONTROL PANEL,/......3. Main Specification of the Cylinder