Product details :

• Red laser pointer,multimedia teaching & page up/dowm function &
  
  
• Ballpoint pen infrared technology
  
  
• plug and play.No driver requested
  
  
• Logo print available
  
  
• Control distance:over 12M
  
  
• Uses 2pcs AG13 batteries
  
  
• Size:diameter:14mm length:149mm
  
  
• Output Power:classⅡ＜1MW,class Ⅲ＜5MW
  
  
• It supports Word,Excel,PowerPoint ,ACDSee ,Website,Acrobat Reader etc.
  
  
• For Teaching,Meeting,Speech ,Training etc.
  
  
• System:windows 98/2000/ME/XP/Linux &Mac OS/win7/vista