Function selector for auto-door system Widely used in automatic door of office building, mall, hotel etc. Have the function of changeover according to different periods.Five files Touch panel LED switch Exquisite design and high quality, easy to application. Five range key The switch is a universal automatic door key control switch. We are the earliest professional intelligent door control system equipment supplier has developed and expanded. Our current business mainly consists of automatic sensing door system, intelligent identification access control system and door control hardware.