NTECH DV Series Optical Interactive WhiteboardINTECH DV Series Optical Interactive Whiteboard Technology PrincipleINTECH DV series optical interactive whiteboard is of image sensing technology with finger touch functions.Two image sensors using lens of 1280*768 pixels are perfectly located inside the upper aluminum frame.They capture touch on the board's surface at sampling rate 180points/second and transmit the touching point's coordinate (x, y) to the high-capacity main board speedily.Once a computer is connected to the board, users can have full control of the PC and applications by finger touch on it.INTECH DV Series Optical Interactive Whiteboard FeaturesFinger touchFour-point calibrationMulti-touch gestures supportedPlug&Play, true HID device without driverUSB connection, no need for external power supply
