This AC adapter is one of the 4 ways that power the dynamo radio:

• Input Voltage: 110V/60Hz
• Two flat pins for the USA wall outlet
• Output: 6V/ 130mA DC with regulated circuit
• Plug size: inner: 2.0mm and outer: 5.50mm
• Polarity: Inner positive and outer negative
• Wire length: 5'8"

It is good for our radio models KA500, KA009/KA008.. This kind of transformer type of adapter is good for charging the radios , and good for FM, but for the AM and SW, it is better to use the built in rechargeable batteries or external batteries to receive a good shortwave signal.This AC adapter is good for indoor use only. The price of this AC adapter includes shipping and handling.