Own what professionals use to take control of the room and a laptops cursor with the expert wireless presenter expert with green laser pointer cursor control 4gb memory the presenter stores your powerpoint or keynote files on the 4gb micro sd card that fits into the wireless usb receiver with a simple flick of a switch you toggle between presentation and cursor control modes make your point with a green laser thats 10 times brighter than standard red lasers ideal for bigger rooms and led