Pretec"s 16GB I-Disk Bulletproof ruggedized USB 2.0 flash drive is constructed of a rounded double layer of metal protection. I-Disk Bulletproof was build to be tough and was constructed to be water, fire and any "heavy" impact resistant. I-Disk Bulletproof was subjected through many extreme environments to test its durability even on a shooting range to demonstrate that the product is truly bulletproof. Comes complete with military grade encryption. Features: Capacity: 16GB. Interface Type: High Speed USB (USB 2.0 & 1.1 Compatible). Dimensions: 30mm x 14.5mm x 2.7mm. Compatibility: Windows ME/2000/XP/Vista/Windows 7; Mac 10.x; Linux 2.4 and above. Warranty: 5 years. System Requirements: Windows ME/2000/XP/Vista/Windows 7; Mac 10.x; Linux 2.4 and above.