The 16GB datashur Pro USB 3.0 Encrypted Flash Drive from Istorage is an easy to use and portable storage system that utilizes PIN authentication. This flash drive guards your digital files with included military grade AES-XTS 256-bit hardware encryption, drag and drop encryption, auto-lock, and brute force protection, so you don't have to worry about unauthorized access. The datashur Pro can accept a 7- to 15-digit PIN via the onboard keypad and must be entered before connecting the drive to a USB port.