... features:* Infrared technology* Water pen, finger handwrite, or any opaque.* No drift, no light points. Fast response.* ... fit LCD, plasma display, no parallax.* The display size can be selected per customer application.* Free upgrade, provide ... display device Technology Infrared technologyInput MethodFinger, pen or any opaqueTouch ModeSingle-point touch, Multi-touch,Resolution4096*4096Transparency ...