... , plug and play, doesnot need out meet power.Product List1 receiver, 1 control box, 2 signal pens, 1 data line, 1 ... CD with PC software, 1 sit at the end of receiver, one volume of double-sided adhesive.ApplicationIt can be used ... the line and the background to write random.12. it sustain page down and page up and mark and modify the content of ...