VDINK interactive whiteboard display supports multi-point input writing and two-color strokes, teaching board electronic you can set the thickness, color, opacity, etc. interactive whiteboard display of the teaching board electronic handwriting, easily distinguish different handwriting, multi-person collaboration and writing on the same screen is barrier-free, you can freely choose points when you need to adjust the wrong content Multiple erasing methods such as wipe,interactive whiteboard display circle wipe, teaching board electronic and screen clear make the content erasing more flexible, and the operation is simple and fast, so you can express your creative inspiration.interactive whiteboard display