SPECIFICA TIONS: THERAPY MODE: Faradic, Surge Faradic, Galvanic Int., GalvanicPULSE WIDTH: : .6msec, .7msec: Int. Galvanic: .01, .03, .1, .3, 1, 3, 10, 30, 100, 300 msec.FREQUENCY: Far .: 40-60 Pulse/sec.Glavanic:1-100 Pulse/sec. variableMAIN INPUT: 200/230V 50Hz ACPROGRAMS: 10TENS : FREQUENCY : : 1-150 Hz VariableTENS : PULSE WIDTH : : 01-1 msec.