Original Xiaomi Mijia 20 inch LCD Digital Graphics Board Electronic Handwriting Tablet with Pen, 20 inch1. Main material: ABS, polymer solid state liquid crystal display film 2. Customized LCD film formula, handwriting is clear 3. No blue LED screen, safe and dust free 4. Size: 20 inch 5. List: LCD small blackboard x1, handwriting pen x1, manual x1 Specification: Package Weight One Package Weight 1. 45kgs 3. 19lb One Package Size 47cm * 38cm * 9cm 18. 5inch * 14. 96inch * 3. 54inch Qty per Carton 10 Carton Weight 13. 00kgs 28. 66lb Carton Size 50cm *