LED Recordable Smart Blackboard 2022 EIBOARD Main Products Demo 77inch LED Recordable Smart Blackboard LED Recordable Smart Blackboard (Marker board) Interactive Flat Panel with Android 9.0+4G+32G All-in-one Smart Board LED Recordable Smart Blackboard (Chalk Board) Interactive Flat Panel with In-built 4K Camera & Mic Interactive Live Recording System & Smart IoT Solution LED Interactive Touch Screen Interactive Flat Panel For Conference All-in-one Whiteboard Interactive Terminal V2.0 Interactive Whiteboard Multimedia All-in-one PC