Bipra 160Gb 160 Gb External Usb 2.0 Hard Drive With One Touch Back Up Software - Silver - Fat32 Capacity :160gb Colour: Silver , Comes with FREE One Touch Back Up Software FREE Carry Case and USB2 Cable included Dimensions: 4.9" x 3.0 " x 0.5" (126mm x 76mm x 13mm) Weight: 170g & Warranty 1 Year from Bipra Limited Powered By: USB 2.0 (No external Power Required)