Black Interactive Multi Infrared Touch Frame With USB

Product Description Infrared Touch Screen Working Principal IR Touch Screen is a touch frame which is usually installed in front of the display screen.The frame is designed with a circuit board,which can be used to arrange the infrared transmitting tube and infrared receiving tube on the four sides of the screen,corresponding to the infrared matrix of transverse vertical crossing.Any touch object can change the infrared on the touch point to achieve the touch screen operation