... when an opaque object (such as finger, hand with glove) touches the panel surface, it could stem ... material. 2) The operation surface has no contact with sensors,no wear and tear, no aging, long ... More over,the multi-touch function is compatible with Windows system,such as Windows XP,MS OFFICE,easy to ... edges of the whiteboard only, and no contact with the writing board. Theoretically, the lift time of ...