1, carry up to 1000 call buttons, 250 pagers 2, store 15 ... can be used in hospital, clinic, nursing home etc.1. System Configuration1) One calling bell at each bed head. ... can press the call button, the bed number signal will be sent to the wrist watch pager through the relay station ... ASK(AM)Display device: LED display, digital numr shown.1,Compatible with different kinds of Jin Qi Long calling bell ...