With this equipment, the customer can go to nearby errands or sit waiting for the queue. When it reaches the queue that this device will send booking customers loud and rattle to let customers come to shop.
Customers can hold the device to run errands nearby restaurant or sit waiting. When a customer comes to booking this equipment is noisy and vibrates to let customers come to the store.
The customer can hold this device on a business trip near the shop or sit waiting in line. When the queue customers booking device is loud and shaking to tell the customers come to the store.