98 Inches Interactive Smart Whiteboard for Classroom / Conference

98 Inches Interactive Smart Whiteboard for Classroom / Conference  Diagonal display size55" 4K65"  4K75" 4K85" 4K98" 4KFrame materialAluminum frameBezel colorBlackDiagonal55 inch65 inch75 inch85 inch98 inchActive area (mm)1210 (H) x 680 (V)1428.48 (H) x 803.52 (V)1650.24(H)x928.26(V)1913.0(H) x1084.0 (V)2268(H)x1354(V)Back LightDirectype LEDResolution          3840*2160  /4KPixel Pitch0.372mm x 0.372mm0.372mm x 0.372mm0.429mm x 0.429mm0.429mm x 0.429mm0.429mm x 0.429mmAspect Ratio16:9Colors16.7billon colorsBrightness350cd/m2Viewing angle178°Glass hardnessMohs-7 levelScreen surface4mm thickness Tempered Antil glared glassTouch points20 PointsOperating systemAndroid+win7/10 ptionalUse forFor Conference Meeting and EducationWay to installSupport wall mount /mobile standLOGOCustomized Service Offered♦ aluminum metal case and 4mm full tempered high explosion-proof glass♦ Convenient Operation with exquisite module, the general format♦ Support multimedia format♦ Double systems, one buttom switch♦ customized OPS♦ Customized input interfaces♦ 10 point IR Touch Technology   /* 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