WB3100 is a positioning system based on the optical technology which adopts the latest patent technology to develop. You can more easily and more convenient operate projectors and computer systems, and obtain better effects of speech and presentation. Turning the curtain to high-precision touch screen. Speakers can operate directly on the computer screen, which is more direct viewing and quick than any mouse. Whether you write and mark in the curtain or need to preserve and playback, speakers can easily realize using by using oway boards, It has more powerful function and more cost-effective than using any other existing whiteboard.