K100: Flash Disk、 Flashlight、Ballpoint Pen、Knife 、Scissors、File + Screwdriver K100A(Air travel): Flash Disk、 Flashlight、Ballpoint Pen(safe in Plane) Characteristic of the products USB Version 1.1 or 2.0 U-disk Is Detachable & Army Knife Design 32MB-1G Static Flash Capacity Secure Lock Password Protection Auto Run Function Special For Ad. Requirement Client provides exe files or .jpg files, it will run the ad file automatically first when people plug KNIFEMEMORY into any USB port, the ad picture will appear automatically on the screen of the computer.