Support Sata Hard drive, 2.5" laptop hard drives, 3.5" desktop hard drives, CD-ROM, DVD-ROM, CD-RW, DVD-RW Combo devices. Place the hard disk (add hard disk box) of the jumper wire to the disc (MASTER) mode Before using. (there is no power supply in the kit) connect the power adapter to the power cord end (so as not to spark phenomenon caused by the electric current is too large, a few may be burned power adapter). connect the USB cable to your PC, and power on the hard disk box can exchange data after the computer identifies USB device a few minutes later. Do not connect it to the wiring board, so as not to accelerate the aging of the electronic components and lower the service life of the product. Summer arriving, the weather is hot, don't use hard disk box or drive line time for a long