Smart nano blackboard is the integration of intelligence, multi-machine in one, integrated blackboard, touch all-in-one machine, audio, computer, projector in one, Android Kiosk Device, Digital Menu Boards Templates , Screen Menu Board , Advertising Digital Display ,Elevator Digital . Any needs from you'll be paid out with our best notice! The product will supply to all over the world, such as Europe, America, Australia,Kenya, Greece,Surabaya, luzern.Second, save trouble. With it, the restaurant can hand over the ordering and checkout links to customers, and customers don't have to wait for the waiter to order and check out, and it also saves the trivia of the waiter ordering the wrong meal;