Product details of Hikvision HS-USB M200 16GB Flash Drive USB 2.0 (Metallic):

• Capacity: 16GB / 32GB / 64GB / 128GB (Actual usable storage less)
• Interface: USB
• Compact design that fits easily into a pocket or computer bag
• Solid metal design
• Unique and Sophisticated Metallic Design
• High-quality metal casing for durability with key ring to prevent loss
• All data storage are not exact in stated capacity. All electronic storage has hidden partitions for its functions tools. All these hidden partitions will not be shown in Windows explorer, and Disk Management does not give an option to browse contents of these partitions. Also, the binary measurement is different and not eaxct for units stated capacity. You may research for it for more info.
• Based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors.