Digital Menu can help you grow your business fast, the way how this work is that when the customers walks in the restaurant and they look the menu they can decide right away what they want so they wont ask you for a paper menu. This speeds up the time of flipping the table so the customer order quicker and of course will be leaving quicker as well. Instead of the server going two or three times to check if that customer is ready in this case they can take their food order right away. 
The other benefit of the digital menu is that you can change prices and menus whenever you want to. You can also schedule menu change at any time of the day or week. can you imagine Burger King going outside in the middle of lunch and changing the board manually because is lunch time? And doing that over and over? This will need an employee only for that matter, in this case you are saving that money. 
Don’t hesitate and try it you wont be disappointing  with the service that you will be provided.