3DS Service Calling System allows your customers to obtain higher quality services, and your waiters or employees will greatly improve work efficiency. 3DS Service Calling System can increase sales and improve customer experience to increase sales, and is especially suitable for hotels or restaurants. Installing a call button device in a hotel or restaurant ensures fast and efficient service delivery. Customers can enjoy the service quickly and easily. You can even use the 3DS Service Calling System to increase sales. Simply place the call button on the table and customers can press the button when ordering, needing another drink or wishing to pay. Staff will receive an alert to respond to customer needs in a timely manner.