In the off-state, the traditional mode supports chalk and pen writing, which is the same as the conventional blackboard Smart Board Dealers, Display Menu Board , Menu Signage , Retail Menu Boards ,Commercial Display Screens . We have ISO 9001 Certification and qualified this product .over 16 years experiences in manufacturing and designing, so our products featured with best quality and competitive price. Welcome cooperation with us! The product will supply to all over the world, such as Europe, America, Australia,Madagascar, Romania,Sydney, Algeria.People from a province. The function of a self-service ordering machine not only realizes self-service ordering, but also self-payment, which can replace the original work of one or even several staff members, and can save a lot of manpower;