Compact, professional muscle stimulator. Low-frequency currents (1-80 Hz) can be utilized to re-educate muscles, develop muscle strength and tone, alleviate pain, break muscle spasms and increase circulation. Features variable ramped, surge mode and tetanize output. Produces a comfortable contractive current with ample intensity; accommodates bifurcated, four-pad application. Two pads included. UL listed. Latex free.