smart interactive whiteboard

Model DS-9078HD ProductDimensions 84.5inch(1730×1280×26mm) WritableSize 78inch(1620×1170mm) PackageSize 1880×1440×120mm Temperature -10°Cto50°C Humidity 30-80% NetWeight 17kg GrossWeight 23.3kg ProjectionSize ≤78inch ProjectionGain Available ViewingAngle 170degreeinHorizon 160degreeinVertical SurfaceMaterial PETmaterial/Mattsurface InductionWay Electromagneticinduction PowerInput USBpowersupplyor100-240VAC,50/60HZAC CurrentConsumption =100mA(USBpowersupply,noextrapower) SignalInterface USB2.0 TheMaximumLengthUSBCableCanSupport 10m TransmissionSpeed 12M/s Anti-lightIntensity Useunderdirectsunlight ScanningSpeed Thefirstpoint25ms,consecutivepoints8ms CursorSpeed 180points/sec DisplayResolution 4096*4096(Dependsontheactualcomputerandprojectorresolution) DisplayRatio 4:3 Wall-mountedAnnex Included ElectronicPen Included InteractiveWhiteboardSoftware InstallationCD-ROMDrive Included Trolley Optional Warranty 5years Certificates CE,FCC,CCC,Rohs,IS0