In the off-state, the traditional mode supports chalk and pen writing, which is the same as the conventional blackboard Shop Window, Floor Standing Digital Display , Digital Elevator , Television Menu Boards ,Advertising Digital Display . We look forward to establish a long-term business relationship with your esteem co-operation. The product will supply to all over the world, such as Europe, America, Australia,Porto, Slovenia,Canada, Montreal.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;