85 Inches 4K Smart Board Interactive Whiteboard for Schools

85 inches 4K Dual OS Touchscreen Smart Board Interactive Whiteboard for Schools aluminum metal case and 4mm full tempered high explosion-proof glass  Convenient Operation with the exquisite module, the general format  Support multimedia format  Double systems, one-button switch customized OPS  Customized input interfaces  10 point IR Touch Technology   Versions:1.Android OS+IR Touch2. Windows OS +IR Touch3.Dual OS (Android+Windows) +IR TouchCPUMSTAR648 64bit ARMCortex-A53 quad-core,1.5GHz, GPU dual-core Mali-720MP MP2intel i3-3110MMstar648+Intel i3-3110mRAM1GB (DDR4)4GB DDR31GB+4GBInternal memory 8GB (EMMC5.1)64GB SSD8GB+64GB SSDOperation systemAndroid 6.0Win10(not activated)Android 6.0+Win10(not activated)Touch screenIR Multi TouchIR Multi TouchIR Multi TouchDisplay screen:85" LCD FHD IPS  full view angle screen, 1920*1080 FHD(or 4K UHD), LED backlightView angle: 89/89(H),89/89(V); Contrast ratio:3000; Brightness: 350cdm2; Ratio: 16:9WiFiWiFi 802.11WiFi 802.11WiFi 802.113G/4GoptionaloptionaloptionalEthernet RJ45yesyesyesBuletoothyesoptionalyesHDMI-INHDMI-INHDMI-OUTHDMI-IN+OUTUSB portyesyesyesWiFi portyesyesyesRJ45yesyesyeson/off switchyesyesyesVideo formatMPEG-1,MPEG-2,MPEG-4,H.264,H.265,RV etc.,support up to 1080pAudio formatMP3/WMA/AAC etc.PhotojpegPower consumption138W158W228WSpeaker2*5W2*5W2*5WFront Cameraw/ow/ow/oLanguageMulti-languageEnglishMulti-languageAdapterInternal power board (AC100-240V)Packing:each unit with strong honeycomb paper carton packingAccessories:AC cable, packing box, manual/* 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