Product details:

• Built-in flash, capacity range:128/256/512/1GB/2GB
  
  
• System requirements: WINDOWS 98 SE or higher
  
  
• Portable date storage and exchange, can be written and erased 1,000,000 times
  
  
• One laser pointer & LED light with a led indicator: light flashing (reading and writing)function
  
  
• Unit size: 132mm*15mm,
  
  
• Battery :3*AG13
  
  
• Wavelength:650nm
  
  
• Output power:class11<1mW,class111<5mW
  
  
• Package:tin box