1) Remote technology: infrared ray technology 2) USB plug and play, laser pointer and page up/down function; no driver requested 3) Control distance: over 15m 4) It supports Windows 98/2000/Me/XP system; the files are able to be browsed under the Word, Excel, PowerPoint, ACDSee, website, acrobat reader 5) Laser distance: over 200m 6) Mini design, it is very convenient to take around when you have a meeting or teaching 7) Appearance: cupreous tube with high grade rubber paint 8) To play by hot key function |