PowerLink - Radiation Reducer

This is the Radiation Reducer that I saw during the exhibition. Really interested and currently is performing a bit of study and research before making final decision.

During browsing the PowerLink website, I found another model of Radiation Reducer.

Anybody already purchased and use the above products? Appreciate your experience sharing and comments. In term of the device effectiveness and user friendliness. Which model is much better?

Thank you in advance.

Best regards,