HQRP AC Adapter / Power Supply for Boss DD-3 DIGITAL DELAY / DD-7 DIGITAL DELAY Guitar Effects pedals Replacement plus HQRP Euro Plug Adapter HQRP&reg; Wall AC Adapter plus HQRP&reg; Euro Plug Adapter; Input: AC 100V - 240V; Output: 9V (9.6V); 200mA; 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!