12V hotel energy saving switch

Item: energy saving switch Size:W88*D9*H85 mm Features: 12V Input voltageenergy saving switch,it will wiring to Master control case and use together withwhole Hotel control system Function: 1.Card type:MF card & TEMIC card type or Photoeletric type(This type can insert everything even insert into a white paper ,it also can work) 2.Work mode: Have three models, these are Insert card mode,Pull out card mode,and Nobody in room mode 3.Extend function:Connect to network.This whole hotel control system structure a LAN, then energy saving switch can identify who insert card, Customers or Waiter.