... *100mm 4)With pager quantity : 300pcs Nurse Call System With clock function.Also shows the room number ... displayed in Successively sequence according to custome’s call within the set time range, after set ... to distinguish different directions,reflecting the quickness of call.05 Twelve beautiful chord musicThe machine has ... : 300pcs Letters show: A,B,C,D,E,F,H,P,J,L(80 in English) nurse call system