How to work of wireless calling system

When the guest need any service, they can press the button on the table, the table number will be showed on the RECEIVER of watch or display screen with clear “dingdong” sound or vibration. So the waiter could offer service very timely.

Specification of Number display receiver:

1. With high strength aluminum alloy shell
2. Use digital code technology
3. Wall mounted        
4. Show 3-digit number from 001-999, the first number can be alphabet.
5. It can work with 999 call button in max
6. It can save 63 calling info in turn
7. Antenna can emhance the distance  
8. Dimension: 365*158*40mm
9. With English Prompt voice or common type with "dingdong" only

7 segment display need work with wireless transmitter