AC TO DC adapter for the radio KA390, a 4.5V DC out put adapter UL approved.
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This is a UL approved AC adapter for the radio KA390. It is a clean , low noise transformer type adapter , you can plug it on to the radio KA390, KA321, KA888 and more radios. The plug is a 3.5 millimeter diameter and with a length of 6 feet .