Shop 15-7/8 X 15-7/8 X 22 Inch, Asymmetrical Biphasic TENS, DC (Direct Current), HAN TENS Stimulation, High Voltage Pulsed Current, Interferential Current IFC (4-Pole), Microcurrent, Premodulated IFC (2-Pole), Russian, VMS, VMS Burst, VMS FR Physical Modality Systems