Designed for radio equipment and other applications requiring 12 volt power source converted from higher voltage battery sources. Features regulation and pulse width modulation at 20 KHz and 50 mV ripple noise. Dimensions: 1.75"H x 6.25"W x 6.25"D. Spike Protected: No. Isolated: No. Ground: Negative to negative. Amperage (Intermittent): 24. Amperage (Cont.): 20. Output (VDC): 13.8. Input (VDC): 22-32.