Smart board specificationsModelTGN83/TGU83Ways of InductionTouch-sensitiveWritingPen, fingers, or other blunt objectCommunicationUSBDimentions(cm)167.5x127.9x2Physical Size (diagonal)83 inchActive Size (diagonal)78 inchWeight (kg)24Shipping Size (cm)178*137*12.5Shipping Weight (kg)30Projection Proportion4:3TemperatureWorkable: -15 centigrades to 50 centigradesHumidityWorkable: 20% to 90%NOTE:Size error: ±3mm, Weight error: 1Kg. The shape and standard are subject to change without prior notice.SoftwareNHboard Software (Windows XP-Vista-W7) included, Software upgrades are availableTechnical SpecificationsResolution 8192 × 8192. Process rate: 500 point/second Precision: ≤1mm Screen SurfaceThe hard-coated polyester surface is tear proof, optimized for projection, compatible with dry-erase markers (with MPC surface supported which is optional accessory) and easily. cleaned with whiteboard cleaner.Wall Mount BracketWide with six screws and drywall anchors to support a wall-mounted interactive whiteboard. Computer ConnectionComputer Connection32"(10m) USB Cable; 25m optional accessoryPower RequirementPower is obtained from the computer directly through the USB cableMobile Floor StandOptional accessory, with 12 different height notches to adjust.CertificatesCE, FCC, RoHS, ISO9001NOTE:A digital projector is not included with this model of NHboard interactive whiteboard. To take advantage of all interactive features, you must integrate a digital projector (any kind of projector with suitable lumen).We are one of the largest interactive whiteboard manufacturers in China and are looking for importers, dealers, agents and cooperaters, if you are interested in our finger touch whiteboard, please don't hesitate to contact me.