32'' to 84'' 16:9 Ratio Multi-touch IR touch frame,touch screen overlay kit,Ratio Multi-touch IR touch frame,touch screen overlay kit 32'' to 84'' 16:9, The bezel shields the parts fromthe operation, 4points touch (Multi touch), Infrared Touch Panel Working Principal,Each of IR-LEDs and photo transistors is set on the opposite sides to create a grid of invisible infrared light.16:9 Ratio Multi-touch IR touch frame,touch screen overlay kit 32'' to 84''.

32'' to 84'' 16:9 Ratio Multi-touch IR touch frame,touch screen overlay kit

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32'' to 84'' 16:9 Ratio Multi-touch IR touch frame,touch screen overlay kit
The bezel shields the parts fromthe operation, 4points touch (Multi touch), Infrared Touch Panel Working Principal,Each of IR-LEDs and photo transistors is set on the opposite sides to create a grid of invisible infrared light.