Plugs into your car or boat's cigarette/power outlet and converts the 12 volts to 6VDC, 7.5VDC, or 9VDC, 300 MA. Includes a universal 5-way plug and has polarity reverse capability. Use this to power your portable electronic items such as tape recorders, radios, calculators, CB radios, etc. Fen-Tone Model #FCB-1034. Unused.