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Hot sell portable interactive white board High Technology Portable Easy-to-use Cost-effective Easy set up & connect Interacts directly with your computer Convert any suitable surface into an interactive presentation screen.The sensor can be placed on the top of any suitable presentation surface along with sense-pen which as marker or mouse.The sensor takes the advantage of ultrsonic and infared no ware orientation technology to achieve more accurate positioning effect.The portable interactive whiteboard can be used in many areas which includes teaching and educational area, corporate and business presentation, and conference facilities and auditoriums. The portable interactive white board compare with traditional . Feature Portable interactive whiteboardTraditional Easy -carrier YesNo Price USD380-1200Above USD1000 Cost-effective YesNo Techonology Ultrasonic and infrared,so it is more accurateElectromagnetic/Infrared Weight 80gAbout 30kgs Active Diagonal 20-120inchAs per board size Working Surface Any smooth surface ,such as traditional blackboard,wall, white board,DLP,PDP,LCD,etcInteractive whiteboard only After sale service ConvenientComplicated Warranty Five yearsOne year .