Give away additional one NEXT button as spare, so package include 1 ticket number display and 2 call button totally.<br><br> How Queue Management System works? <br> 1. Customer go to the Service station and take a number ticket by Thermal printer.<br> 2. Customer wait for their service.<br> 3. When it is their turn, the counter worker will press the "Next" transmitter to call.<br> 4. The customer's number will show on the display screen with prompt sound, so that customer know which counter they should attend.<br> <br> A complete kit includes: <br> (1) Display Monitor <br> To display ticket number. <br> (2) Remote Button <br> To call ticket number one by one. <br> (3) Screw <br> To fix the display on counter desk or wall. <br> (4) Adaptor for the display (5) Opener for Next call button<br> To change a new 12V 23A battery when used out.<br> (6) English User Manual <br> <br> Features:<br> 1 Applications: Restaurant, Coffee Shop, Fast food Chain, Food Court, KTV, Pub, Service Centre, Clinic, Supermarket.Provides fair, organized, efficient customer service <br> 2 Material: ABS <br> 3 Advantage: can avoid to stand in a long queue <br> 4 Display Size :29*15.5*4cm <br> Button Size: 6*6*2cm <br> 5 Packing Box: 40*19.5*5.5cm <br> <br> K-Q12 display specification: <br> LED counter display for queuing <br> 1.Wireless signal receiver <br> 2.2-digit number <br> 3.Show current calling number <br> 4.Can put on the Waiting Area to indicate customer. <br> 5.Touch screen and English prompt voice <br> 6.Can install on the wall and desk.<br> 7.110V-240V Power supply <br> 8.Working voltage: DC12V <br> 9.Dimension: 29*15.5*4cm <br> 10.With high strength ABS plastic shell <br> <br> K-N next button specification: <br> Waterproof call button <br> Simple to operate with a battery <br> Smooth surface for plastic case <br> Add the number one by one <br> Dimension: 60*60*20mm <br>