Optimum Orbis Ac Adapter for Wd Western Digital External Hard Drive HDD My Book - Essential Elite Studio Expander Mac Editions Wd1600h1u-00 ,Wd3200h1u-00 ,Wd5000h1u-00 ,Wd6400h1u-00 ,Wd7500h1u-00 ,Wd10000h1u-00 ,Wd15000h1u-00 ,Wd20000h1u-00, Wdh1u5000n, Wdh1u6400n, Wdh1u7500n, Wdh1u10000n, Wdh1u15000n, Wdh1u20000n Wdh1u5000e, Wdh1u6400e, Wdh1u7500e, Wdh1u10000e, Wdh1u15000e, Wdh1u20000e Wdh1u5000a, Wdh1u6400a, Wdh1u7500a, Wdh1u10000a, Wdh1u15000a, Wdh1u20000a Wdh1u5000s, Wdh1u6400s, Wdh1u7500s, Wdh1u10000s, Wdh1u15000s, Wdh1u20000s Wdh1u5000j, Wdh1u6400j, Wdh1u7500j, Wdh1u10000j, Wdh1u15000j, Wdh1u20000j Apd Power: Input 120V-240V/ 50-60Hz Output:12V 2A 24Watt; Optimum Orbis ac adapters are CE, FCC, RoHS certified for safety. Protection: Short circuit, over current protection, over voltage protection, over temperature protection. Designed to meet or exceed your original manufacturer's ac adapter Warranty info: Order your replacement ac adapter backed by our 30 day money back guarantee, 18 months warranty; 24/7 email support, free exchange. Package includes: 1 AC adapter;