projector screen,interactive whiteboard ,electronic interactive whiteboard , ... can directly make notes on the document such as powerpoint, word, excel, pdf, image and other frequently used ... 6 Replay Function: Operation on the current page and selected page can be replayed for a process review; and ... 116×164562PH-1500-158158751543×1144173×133×165272 Projector screen, whiteboard, smartboard,PH-1500-101