Interactive whiteboard Technical ItemsTechnical Specification ModelTC-2082I Product Dimensions86inch(1780×1290×43mm) Writable Size79inch(1650×1160mm) Package Size1930×1440×120mm Temperature -10to50 Humidity 30-80% Net Weight32kg Gross Weight46 kg Function of projection of board Projection Size≤79inch Projection GainAvailable Viewing Angle170 degree in Horizon 160 degree in Vertical Surface MaterialWhite PVC panelpanel surface with the imported writing surface membrane(rewritable for general Kandelia)Electric Performance Induction WayInfrared induction The Induced ObjectsAny opaque object ,such as fingers ,pointers,ect Power InputUSB power supplyno extra power Working VoltageDC 4.6V DC 5V Current Consumption< 1W,under voltage USB 5V ,current:<200mA Signal InterfaceUSB. USB. The Maximum Length USB Cable Can Support5m10m:need to add a USB signal amplifier) Transmission Speed12M/s Anti-light IntensityUse under direct sunlight Scanning SpeedThe first point 25 ms, consecutive points 8 ms Cursor Speed180points / sec Display Resolution4096*4096(Depends on the actual computer and projector resolution) Depends on the actual computer and projector resolution4:3or16:9Optional Accessories Wall-mounted AnnexIncluded Electronic PenIncluded Interactive Whiteboard Software Installation CD-ROM DriveIncluded TrolleyOptional Warranty1year