smart board 800 projector.The pattern of the education market has suddenly changed. The touch screen is going to replace the electronic whiteboard and the electronic whiteboard. From the date of birth to the current peak of the popularity, in just a few years, it has become the ace product in teaching, and the growth rate of the electronic whiteboard from 2008 to 2010. More than 50%, it is also the demand for modern electronic products to achieve the high-speed explosion and popularity of electronic whiteboard. However, at the beginning of 2011, a growth momentum is quietly taking place, that is, the emergence and upgrade of LED or plasma touch large screens, which is also the user's requirements for the technical application and maintenance cost of teaching. The electronic whiteboard is encountering blank spots and The crisis that was replaced. Experts pointed out: The future development of electronic whiteboards will tend to be lower. The root cause is the emergence of touch-one machines. The fuse is the "price war" of electronic whiteboard manufacturers.