This is a beautiful energy that works to heal, protect, and uplift. It protects not by actively "zapping" negative energies, but by surrounding the person with love and light. This energy works with the Guru Ram Das mantra.

Here is an online comment about the power of this mantra:

I experienced a healing when chanting along the Guru Ram Das mantra from Ligthness of Being. I had been sensing some negative patterns lately and wanted to release them and as I begun to chant, after 10 minutes or so, I felt as if the heart unblocked and the lungs where more open to breath much better. My voice changed and became crystal clear and the healing and soothing effect of the elongated Wahe Guru sound helped realign my heart and rise its frequency to that of the sacredness of my being in union with God. This happened yesterday and I am still experiencing the effects! You will receive one attunement and a PDF manual.