Building Fire alarm system mechanic change the Module layer 14 alternative 1 of the original breakdown from lifetime to make a complete system is available 24 hours a day, and to the safety of residents.
Electric Switch Module Building Fire alarm systems, 14: 1, the replacement of worn out from a lifetime to perfect system available 24 hours a day and for the safety of the residents.
So the building change Module system Fire alarm I 14 number 1. Replace the original damaged from a lifetime to complete the system available throughout the 24 hours. And the safety of the residents.