finally tracked down the info on the website.
http://proneurolight.com/legal.html
[Company Profile
ProNeuro Light manufactures and markets state-of-the-art
LED photodynamic therapy equipment and was officially birthed in 2003 with the introduction of our unique Light system. ]
The LED may or may not help with PN, but I just wish those websites & businesses/practitioners would be clear & truthful as to which they are actually using,be it LED or LLLT.