Wireless panic button emergency call system

Call button installed beside the ward bed or in treatment room, can equipped with long hand shank,when patients have calling demands in wards or during the treatment, just press down the call buttons, medical staff can get the calling information through the medical board receiver with medical record slot, hang receiver in passageway by prompting with voice report,showing the number and so on, then they can go to the corresponding wards and treatment room to supply emergency treatment,the medical staff also can wear the protable receiver to to get the calling information from patients anywhere and anytime. 

Specification of patient call button K-U2

2-ey: Call, Cancel                                                                                                                       Signal Distance: 200M in open area     
Material: PC and waterproof silicone
Dimension: 60*60*22mm      
With a 12V 23A battery
100% waterproof                        
2 colors: white; grey for case   
3 colors: black, red, blue for silicon dioxide                     

Nurse call buzzer need work with signal receiver