Retekess TD174 Restaurant Buzzer System, Restaurant Waiting Pager, Set with Vibration,Flashing and Buzzer,Close Reminder,10 Guest Pagers for Food Truck,Church Nursery. 3 prompt modes; table pager system; vibration and buzzer and LED; vibration and LED; buzzer and LED; battery status and low power indication; vibration can be well used in church nursery not to disturb the church service.