Description :  
 
  1. used for transmitting table numbers to receiver. If guests need service, just push the waiter key, then the waiter can receive the request messages.you can put the call button on the client table/wall.
2.It is used in banks, dining hall, coffee bar, bar, teahouse, leisure club, GYM, KTV, chess and card room, Internet bar, motel, nursing home, sanatorium, hospitals, library etc. 


working Voltage：DC 12V
working band：315/433.92MHz
Static Current：25-30mA
Decode :   Learning code
Operating Temperature：-10℃~+70℃
Size：60*60*30mm