Product Specification: *Material : ABS *Size : 132 x 117.5 x 65mm *Support HDD : 2.5 & 3.5 inch SATA HDD/SSD *External interface : SuperSpeed USB3.0 *Internal Interface : SATA3.0 *Data Cable : 3.3Ft / 1M USB3.0 Cable *Advantage :Tool Free/Hot-swap/Without drives/Offline Clone/Intelligent Sleep *Supported System : Windows 11 /10 / 8 / 7 / Vista / XP or Mac OS 9.1 and above Note : Not Including Hard Drive Feature *SuperSpeed USB3.0, transfer rate up to 5Gbps, backwards compatible with USB2.0/1.1. *Ready for 2.5"& 3.5" SATA Hard Drive. *Tool Free: Easy mount & dismount SATA hard drive without tools and screws. *Feature 12V high power AC Adapter, included. *Built-in power control switch. *Plug & Play and hot-swap compatible, no need drive installation. *Ready for windows & Mac & Linux. Please Note Offline clone function ----Make sure that the USB cable is disconnected from your computer. 1. Insert one hard drive in the Source bay, other drive in the target bay(The capacity of Target drive must be equal or bigger than Source drive.) 2. Push the PC / CLONE switch on the back of the hard drive to the CLONE side. 3. Connect power supply and pre the POWER switch. 4. Then pre the START Button on the back. 5. A Blue LED will flash on 20% indicating that the cloning proce has begun. 6. The cloning proce is complete when ALL the lights turn solid Blue (20%-100%). 7. Finally pre the POWER switch and eject your drives. Notes: