Hardware Outstanding Features 1 Single circuit design (3 kinds of PCB including receiving PCB, emitting PCB and main control PCB, no jumper design ) 2 PCB boards are fixed on the AL. base board without screws 3 Modularity design, intelligent pen tray, electric Mount, the integrated PC, the integrated Speaker. Software Outstanding Features 1 Auto correction, built-in software with auto diagnose, improving products and maintain ability. 2 The working log (AD.text) can reflect the interactive whiteboard working condition including normal and abnormal conditions, which will contribute to remote diagnose. 3 the features of software: multitouch,auto Pattern recognition,video endorsement, Office File Export, hand-gesture recognition. standard carton package