1. 30 capacity number display
2. 433.92mhz wireless receiver
3. English sound prompting
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 screen
1. With high strength ABS plastic shell, durable in use
2. Use digital code technology.
3. Desktop
4. Show number from 1-30, can show 30 numbers at the same time.
5. Show different service type via different light color
(Green light =Call, Red light =Bill, Blue light =Drink )
6. It can work with 30pcs call buttons in max
7. It can save 30 calling info in turn
8. Touch screen
9. Read number and service type in English or simple "dingdong"
10. Dimension: 29*15.5*4cm
11. Output: DC12V
7 segment display need work with wireless transmitter
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