UK (UK plug) AU (Australian plug) US (US plug) EU (European plug).Directly exchange data between 2 different types of HDDs(SATA and IDE), even for different size(3.5" and 2.5") of HDD. You can copy or back up your files conveniently. No need buy 2 or more external cases. Support most popular formats of memory cards .Computer compatible with USB and E-SATA-enabled All-in-one Dual HDD Docking Station for 2.5"/3.5" HDD Sata/ide,This is perfect 2.5/ 3.5 IDE & SATA hard disk docking and card reader. One button backup solution - you can easily backup your computer files to external hard disk .HDD multifunction dock with the one button backup, high speed hard disk cloning (can be used offline) No need to screw and unscrew case .Connect to your computer using USB or eSATA