Flat surface, seamless splicing, one-click switching from ordinary chalk writing blackboard to intelligent interactive blackboard Interactive Whiteboard For Business Use, Digital Menu Layout , Digital Menu Board System , 100 Inch Commercial Display ,Ad Display Screen . For further queries or should you have any question regarding our products, please do not hesitate to contact us. The product will supply to all over the world, such as Europe, America, Australia,Greece, Brisbane,Hungary, Myanmar.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;