Mad Dog STORAGE, 3.5" USB HHD ENCLOSURE Box Contents - MegaVault 3.5 inch Enclosure, Mounting Screws, Quick Setup Guide, Driver CD (Windows 98), AC Power Cable, AC to DC Adapter, USB Cable, Clear Mounting Stand Bus Interface USB 2.0 (Backward Compatible to USB 1.1) MTBF 35,000 Hours (POH) Conditions Operating - 32 degrees F - 104 degrees F Non-operating - -68 degrees F - 176 degrees F