... interactive whiteboard tv, IWB * IR, single,multi finger touch * FHD, USB, HIDM * CE, FCC, Rohs * OEM, customizable Tang Hftouch LCD touch ... technologyInput MethodFinger, pen or any opaqueTouch ModeSingle-point touch, Multi-touch,Resolution4096*4096Transparency rate:Up to 100% without glassRespond ... also indoor or out door 65inch portable LCD touch screen interactive touch board /whiteboard tv IWB