Features: 1) Capacity: 16MB - 32GB 2) Support system: Windows98 / ME / 2000 / XP, MAC OS9.x / X, DVRSMMCUSB FLASH DISK Features: 1) DVRSMMCCapacity: 16MB - 2GB 2)DVRSMMC Support system: Windows98 / ME / 2000 / XP, MAC OS9.x / X, Linux 2.DVRSMMC4.x and driverless (expect Windows98) 3) DVRSMMCWorking temperature: -40 - +70 4) DVRSMMCStay temperature: -50 - +80 5) DVRSMMCStorage: storage or transfer for the data 6) DVRSMMCBootable: support FDD / ZIP boot the computer 7) DVRSMMCSecure: make security for all of the data in the USB flash drive 8)DVRSMMC Advertisement: put the AD design in the drive and can control the play