... dimming control interface, 1-fold 20A switch control interface, 11-fold switch interface; The built-in programming data ... Environment Equipment: Light,Motorized Screen,Electric Curtain,Electric Elevator,Humidity/temperature controller,Air Condition,Saroot,Drinking Fountains ... Off ModeStrengths and Weakness AnalysisTraditional meetinga)One-touch switch,Tedious operation;b)Not linking control with meeting ...