HKMLC Smart Board Elite Dual 75 Inch, Interactive Whiteboard 4K UHD Built-in Dual System Touchscreen Digital Whiteboard, All-in-One Electronic SmartBoard for Classroom and Office (Wall Mount Included)

HKMLC Smart Board, Essential 55 Inch All-in-One Interactive Whiteboard with 4K UHD Touch Screen Flat Panel, Digital Electronic Whiteboard for Classroom and Business (Wall Mount Included)