1.IR techonoly,any opaque object can touch screen 2.Orighnal design, defferent touch frame for choice 3.High class quanity iBoard touch screen hardware featuresAny opaque objects can be used on the board;High resolution at 4096*4096Safety seal away from dust and water, easy maintainAnti-shock, anti-light interference, no driftHigh luminousness, up to 100%Responses to finger-gesture, operate ...