CPA&reg; 6.6ft AC Adapter for Western Digital WD MyBook WD10000H1U-00, Western Digital Dual Option USB WD1600B011-RNE, MyBook Essential WDBACW0030HBK, WDBACW0040HBK-EESN Wall Power Supply Extra Long Cord Brand New Replacement Product works as genuine parts, 100% OEM Compatible! Fixed US Plug. Type: Regulated switching power supply with extra long 6.6 foot cord. Internal over-tempurature shutdown. Rugged case with moisture-seal protection High quality commercial grade AC to DC power adapter for manufacturer of all type All Products are CE and RoHS certified, regulated, and tested by manufacturer to match and/or exceed specifications of OEM products. Adapter/Power Supply Comes with 1 Year Warranty