“SMOKE DETECTOR
Type: DO1101A-Ex
SN: 5008010001 20
Maker: SIEMENS
HEAT DETECTOR
Type: DT1152A
Type: DM1103
SN: A5Q00004470 ES04
Maker: SIEMENS
FLAME DETECTOR
Type: 601F-M
SN: 516.600.007
Maker: Tyco safety Products” SIEMENS SIEMENS.