HQRP AC Adapter for RadioShack PRO-135 20-135 Handheld Radio Scanner Power Supply Cord Adaptor Radio-Shack + Coaster HQRP&reg; Replacement AC Adapter plus HQRP&reg; Coaster; Input: 120V AC; Output: DC 9V, 400mA; Safety Features: High Efficiency and Reliability; Automatic Overload cut-off; Automatic Thermal cut-off; Short circuit and Over Voltage protection; Low Interference & Noise; Compatible with Original AC Power Cord; 1 Year warranty!