Excellent design combines the traditional and modern teaching way perfectly * Integrated design( integrated with LED touch screen, blackboard, visualizer, centralized control system, wireless mouse, efficacy, speaker etc.) *Humanization design ( the perfect combination of tradition and technology, one key switch, preposition speaker with wireless MIC, reducing burdern of teacher's voice) * Health design( can be written with dust-free chalk, without chalk, protect health; using anti-glare glass blue light filtering technology, soft light, protect eyesight) *Multi touch design(using the top Nano touch film projection type PCAP touch technology to achieve multi touch, close to true feelings of writing, more interactive) * Safety design( safe corner, power supply from top of machine, NFC, protection box for keyboard) *Windows/Android dual OS *Environmental protection design( One key energy saving, support writing with liquid chalk marker) *Easy to maintain (touch screen preposition maintain )