KEYTEC is a USA based touch screen interactive technology leader since 1987 OPTIR Toch is the best optical IR touchscreen in the multi touch applications portable do-it-yourself interactive whiteboard and very large size custom touch screen and integrated

 

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Products > OPTIR Touch (Optical IR) > FAQ > How does it work?

Embedded IR sensors inside our OPTIR Touch frame emit and receive invisible infrared light beams in front of the computer imaged surface.  Whenever your finger or an object breaks through this light grid, it is seen as a touch point which is same as a left mouse click.  Your touch can also perform all the standard tablet gestures and multi touch funcations.


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