FIRE ALARM TESTING HAPPEN IN [PUBLIKA SHOPPING GALLERY

They are doing some fire alarm testing or maintenance maybe
But who in their right mind to test the fire alarm at night !
The loud air sound that you hear in this video
Was the exhaust fan
The Fire Alarm Device was
[OLD]
EST General Electric SIGA-PS [Detectors]
HI TECH PROGRAM 108 [Break Glass]-[MCP Manuel Call point]
DEMCO BELL [MALAYSIAN FIRE BELL]-[6 Inch]
MICTRON FIREMEN INTERCOM [Two way communication]
[NEW]
EDWARDS SIGA-PD [Detectors]
[Information About SIGA-PD Detectors]
Intelligent photoelectric Smoke
Detector that used optical Sensing
Technology to detect smoke in
Homes,offices and Commercial Spaces
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TYCO MCP200 [MCP Manuel Call point]