This Electro Exercise System is a super toning treatment which is similar to actual exercise. Great for toning and firming problem areas like stomach, buttocks, thighs, and breasts. This unit generates a series of modulated impulses through the 4 conductive pads which make the muscles contract and relax, simulating normal exercise. In 15 mins you can exercise your stomach muscles 200 times! imagine how many sit ups you would have to do to achieve the same result.