Table service call button can send the calling signal to a receiver, call waiter when need help. With 12V 23A battery, Round shape, belongs to wireless calling system. OEM acceptable

433.92MHZ coaster pager system 3 digits number wireless paging waterproof silicone for keypad

433.92MHZ restaurant paging system 3 digits number wireless paging waterproof silicone for keypad UK, AU, EU, US plug types

3 digit number screen 3.7V Lithium battery watch pager Waterproof table button