Usb flash disk Fingerprint & waterproof usb flash disk Specification: 1. Hardware: pentium 3 or hiiger pc, notebook or macintosh with usb port 2. Operating system: windows 98/se, windows me/2000/xp 3. Drivers: only windows 98/me needs the driver 4. Capacity: 128mb -- 4gb 5. Sensor scan area: 2*11mm 6. Usb host interface: usb2.0 7. Image level: 256 gray levels 8. Image resolution: 508 dpi 9. Data retention: over 10 years 10. Frame rate max 300 frames/sec: max 300 frames/sec 11. Reading speed: 28mb/s 12. Writing speed: 23mb/s 13. Temp: -20c -- +60c 14. Humidity: 0% -- 85% 15. Dimension(l*w*h): 85mm*25mm*10mm Eastern wing international ltd., which is a major and professional manufacturer and exporter in electronic gifts and premium, including digital products, computer accessories, and other promotion gifts, etc. There are usb flash disk, mp3, mp4, digital photo frame, usb hub, mouse, audio speaker, card reader, clock, penholder, calculator, pedometer and radio, etc. Eastern wing has a team of powerful and creative staffs, quality and honesty are the vital principles which we insisted on still, we not only expanded our products these years, but also created many profits for our clients. We will still strive to innovate more and more products, and make more friends around the world. Unit size: 8.5x2.5x1.0 cm Unit weight: 19 g Meast: 70x29x36 cm Qty.: 100 pcs/ctn G.W.: 9.2 kg