Product Specifications： Name: Interactive Whiteboard 86 inch Model No: H258K Screen size: 86inch 4K Adopt ultra-narrow bezel, imported 4K LCD screen Android 8.0 system,DDR operating memory 3G+ROM storage 32G With the 5 g module, mobile phone screen, 5 g wireless with PC screen 1.5mm pen peak writing, two-color pen, scanning code cloud sharing 4mm anti-glare panel, one button start, writing pen adsorption slot Front USB three channel playback,4K whiteboard, even page annotation Five fingers out, three fingers floating menu, three-way teleconferencing Compatible (Android system + WDOS system) one key switch WDOS system need to be equipped with industrial OPS computer (optional)