How number call system works? 

1. Customer go to the Service station and take a number ticket by Thermal printer or ticket dispenser .
2. Customer wait for their service. 
3. When it is their turn, the counter worker will press the number+ENT to call.  
4. The customer's number will show on the display screen with prompt sound, 
so that customer know which counter they should attend.
 Features: 
1 Applications: Restaurant, Coffee Shop, Fast food Chain, Food Court, KTV, Pub, Service Centre, Clinic, Supermarket.Provides fair, organized, efficient customer service  

 K-C31display specification : 

LED counter display for queuing LED counter display labeled with Counter NumberLED counter display labeled with Counter Number
1.Wireless signal receiver
2.Show 3-digit for display ticket number and 1 digit for counter number 
   (1 line, 2 lines and 4 lines)
3.Show current calling number
4.Can put on the Waiting Area for indicate customer.
5.Touch screen and English prompt voice:
   Please number 001 go to counter 2.
6.Counter number can be alphabet, such as: C
7.Can install on the wall and desk.
8.110V-240V Power supply
9.Working voltage: DC12V
10.Dimension: 29*15.5*4cm
11.With high strength ABS plastic shell

It need work with keypad or queue call button

Applications:
Tea or Coffee House, Restaurants, Hotel Conference Rooms, Executive Dining Rooms, Spas and salons Health and Fitness clubs, Hospitals Health Clubs, Offices Massage House, Nightclubs, Bowling Alleys, Churches, Casinos, Golf Country Clubs, Bank, Medical Clinic, Fitness center, Chess and card room, Relaxation club, Kitchen, Confinement center, Super Market, Church