projector screen,interactive whiteboard ,electronic interactive whiteboard ,education ... can replace the mouse and chalk, and provides the double-click & right-click function; 2 Adopt 6 ... Control Mode, Window Mode, Annotation Mode, and Full Screen Mode; 4 Practical functions. In addition to writing ... ×164562PH-1500-158158751543×1144173×133×165272 Projector screen, whiteboard, smartboard,PH-1500-101