Retekess T128 Caregiver Pager,Smart Call Button,Vibration,Buzzer,Alert Service,5 PCS 4-Key Waterproof Alarm Call Button for Elderly,Patient,Nurse,Sick

* Retekess T128 wireless calling system only needs to press the call button; waiter or caregiver can respond immediately; efficient service; absolutely a good helper for your business * 7 prompt modes; vibration; buzzer; flash; free combination; quiet hospital or coffee shop; noisy restaurant or bar; suitable for various places; meet all your requirements * Caregiver wrist paging system can add up to 500 transmitter; compatible with all Retekess alarm call button; freely add more emergency call button for employee or caregiver * Long distance transmission; between pager in the open area and watch receiver can reach 200m or 656 ft; signal stable; able to pass through the wall; can cover the whole room * 4-key waterproof emergency alert call button; 2 3V CR2016 battery; standby for 12 months; allowed water stain or soup splash; used in clinic; restaurant; hospital; nursing home; nurseries; cafe