smart classroom 83" 86" 96" 106" Infrared Interactive whiteboard for teaching

Smart classroom 83" 86" 96" 106" Infrared Interactive whiteboard for teaching 1 SpecificationTouch Screen Size81.4"Touch Activation ForceNo pressure requiredLuminous Transmission>92%(100% with no glass)Reported Touch ResolutionWithout Driver:32768*32768Touch Response Time(Multi touch)10-15msTouch Response Time(One touch)7msMinimum Recognition Point Size4mm*4mmTouch Object Size RecognitionYesInterfaceUSB 1.5m,7P USB 1.5mTouch Refresh Rate≥80HzCommunicationUSB 2.0 Full SpeedPowerSupply ModeUSB*1Working VoltageDC 5.0V±5%Average Current≤200mAPower Consumption≤ 1.0WLED Lifetime60000hoursFault-tolerantAble to work if less than 10% non-consecutive sensors are damaged  HumidityUp to 90% RH from 0°C to +40°C, non-condensingTemperature RangeWorking temperature:-10ºC~50ºCStorage temperature:-20ºC~60ºCESDEN 6100-4-2 2008:3 level.4KV contact discharge and 8KV air dischargeAnti-light InterferenceExcellent Firmware UpgradeUSB Upgrade: Windows 8,Windows 7Support OS(Multi touch)Windows10,Windows8,Windows7,AndriodSupport OS (One touch)WindowsXP,MacOS.Overall size  (mm)Touch size (mm)Projection size (mm)Packing size (mm)NET weight (KG)Actual weight (KG)1711.4*1232.4*22.21674.8*1195.81594.8*1195.81825*1345*145(Two)27KG(Two)34KG(Two)  /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1