The 2nd version has 8 selectable modes of operation to allow for experiment and trying various combinations. It too is battery or AC/DC powered plus other options as described at the Mexistim page.
Lee claimed his 'energy cleaner' assists the body to purge toxins from the cells. His analogy goes something like this,
'It's like taking a bucket lined with dried mud which is similar to the toxins that build up in the cell. If you fill the bucket with water and empty it, you have removed some of the toxins. By continually filling and emptying the bucket with fresh water, you will eventually have a clean bucket. This is what is believed to happen in the cells when using the machine. One polarity pulls fluid into the cells, the other polarity ejects the fluid, now laden with toxins, from the cells.'
As you know, no one can make claims of cures without running afoul of the medical establishment who themselves don't have absolute cures.
Each person's body is different with a constantly changing acid and alkali balance, varying daily stresses and other factors which affect healing.
We are basically living filters which trap all kinds of toxins and noxious materials from the food we eat, the water we drink and the air we breathe and which settle in our tissues to bring about a variety of illnesses, cancer and even organ failure.