HQRP AC Adapter for Western Digital WD My Book Studio WDBC3G0010HAL WDBC3G0020HAL WDBC3G0030HAL WDBCPZ0010HAL WDBCPZ0020HAL WDBCPZ0030HAL WDBCPZ0040HAL [UL Listed] + Euro Plug HQRP&reg; Wall AC Adapter plus HQRP&reg; Euro Plug Adapter; Input: AC 100V - 240V; Output: DC 12V; UL Listed; Safety Features: High Efficiency and Reliability; Automatic Overload cut-off; Automatic Thermal cut-off; Short circuit and Over Voltage protection; Low Interference & Noise; 200 days warranty!