Features: Fingerprint function,save your data by your fingerprint till 10 years,how safe it is!! Fingerprint Capacity:10 pcs Image Resolution:508dpi False Rejection Rate(FRR):0.013 False Acceptance Rate(FAR):0.00001 Sweeping Speed:60cm/Sec at 15MHz Identification Time:0.1s Suitable for using large capacity of computer or small size laptop Built-in flash memory,can be repeat to wiped and written to one million times Support hot Plug-and-play; No driver required;No external power supply required, USB bus-powered USB2.0 standard,high speed,reading speed:12M/S,writing speed: 11M/S (computer configuration dependent) Supports BIOS booting as USB-ZIP or USB-HDD With beautiful desgin,easy to schlep Flash memory capacity: 64MB, 128MB, 256MB, 512MB, 1GB, 2GB, 4GB USB power:4.5V-5.5V Working temperature:-40°C ~ +70°C Save temperature:-50°C ~ +80°C Spec: Product size(LxWxH):7.2x2.6x0.9cm Product weight:13g Mostly material:Plastic and Aluminium