In the off-state, the traditional mode supports chalk and pen writing, which is the same as the conventional blackboard Interactive Whiteboard System, Digital Menu Board Screens , Wall Digital Display , Restaurant Menu Display Boards ,Standing Digital Display . Any requires from you will be paid with our best attention! The product will supply to all over the world, such as Europe, America, Australia,Washington, Bangladesh,Riyadh, Somalia.Save time three times. Save time for customers to queue up, and save time for merchants to order and cashier, so that merchants have more time to entertain more customers and increase restaurant revenue;