HQRP AC Adapter / Power Supply for DigiTech Whammy DT / iStomp / RP-90 / RP-70 / RP-55 Guitar Effects pedals plus HQRP Euro Plug Adapter HQRP&reg; AC Adapter plus HQRP&reg; Euro Plug Adapter; Input: 100V-240V AC; Output: DC 9V, 300mA; Safety Features: High Efficiency and Reliability; Automatic Overload cut-off; Automatic Thermal cut-off; Short circuit and Over Voltage protection; Low Interference & Noise. 100% Compatible with Original AC Power Adapter; 1 Year warranty!