Hulda Clark Zappers

Has anyone bought the A5 zapper that Hulda Clark uses in the mexico clinic? It's $150.

http://www.paradevices.com/index2z.html
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And here below are zappers from Hulda Clark on sale.

http://www.paradevices.com/index2z.html
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The 2nd are cheaper. Which should I get? Any reccomendations. The A5 zapper is supposed to only have one frequency. I have read alot of posts about various frequencies. I guess its better to have one frequency and easier?

I suppose this come with an instruction book too? Tweet