LABWE ™ Interactive Whiteboard is the revolution of classroom whiteboard in the 21st century, it is use of the stable and reliable infrared sensor positioning technology , any non-transparent objects including fingers all can be touch on the board; Special panel material that not only the color softly, Large viewing angle, no bright speckle when projection, but also can be used in normal water pen writing on the board and can be easily erased,also less of remnants(