Description
This is the most recent update of the Hulda Clark Zapper circuit design, handbuilt on a breadboard. This design was published in the last book by Hulda Clark.
- Emits a positive offset square wave set to 30 kHz
- Handbuilt by our founder Jay E Moores
- Comes with red/black leads, copper pipes, 9 volt battery, and canvas carry-all bag
- Lifetime repair warranty, 1-year satisfaction guarantee












