... ,PA,Mixer,Microphone,Console etc.Data Equipment: Computer and others related.Environment Equipment: Light,Motorized ... Drinking Fountains,Electric operation door,Central Control System etc.Program AnalysisCentralized control Include:Meeting modeLeisure modeShowing modeSpeech modeLight ... Touched panel, fashionable;f)Luminous design, operate in darkg)Intelligent control,high levelh)Use instantly after ...