... Suddenly power off, unsteady power supply, incorrect plug in or pull out of USB, wrongly deleted, wrongly formatted, damage ... Product function description: Capacities available16MB,32MB, 64MB, 128MB, 256MB,512MB,1GB, 2GB, 4GB, 8GB, 16GB,32GBUSB chipsSamsung/Hynix/Micron/Toshiba/ ... and password access, BIOS booting as USB-ZIP or USB-HDDData serviceMinimum 10 years data retentionLED lightDual LED ...