1.The patients list show the nursing class, the display show the call beds, calendar 2.Two-way calling and talking between host and extensions 3.Simultaneously max receive calls from 60 call beds or toilet extensions 4.3 classes illness:critical, serious, cured 5.The high priority: senior sick calls can interrupt junior sick calls 6. Host machine hand-free: host can speak with ext. By hand-free when ext. Call host 7. Without interruption call: regardless of the calls, as long as the state broadcasting, it can show the number and information when calls 8. Extension call storage by the host when the call is not pick up by the host, the call numbers will automatically be recorded 9.Emusic and broadcast function 10.Materials:high aluminum alloy frame, imported led operating menu 11.Patient card can be edited and inserted in the card slot 12.Extension number can be edited by the number buttons easily 13.Can connect to computer 1set each box