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 display screen

1. With high strength aluminum alloy shell
2. Use digital code technology         
3. Wall mounted Desktop
4. Show 3-digit number, work with 999pcs button in max
5. It can save 63 calling info in turn  
6. Antenna can emhance the distance  
7. Dimension: 220*120*40mm
8. Output: DC12V
9. English Prompt voice or common type with "dingdong" only

Specification of call button

2 key: Call, Cancel                                          
Signal Distance: 200M in open area   
Material: PC and waterproof silicone
Dimension: 60*60*20mm
Table or wall-mounted installation              
With a 12V 23A battery
Any language any logo is acceptable