Voice Guidance
Control Unit
Detection Device
Loudspeaker
Terminal Board
Electric Wire1
Cable2
Terminal Connection
Wiring Equipment
Conduit3
Metal Ducts And Troughs1
Cable Rack1
Boxes2
Support Material1
Fireproof Compartment Penetration Treatment, Etc.2
Grounding Work
Painting Work2
Installation Cost2
Test Adjustment Fee2
Other Expenses2