Square Bytech Ultraviolet UVA Led- 365nm/385nm/395nm/405nm/415nm, 3.5V to 14V
For LED Light Therapy, Blue 415nm has more clinical studies, evidence and proven results than any other wavelength in the Blue light spectrum. Whilst... | By Dermalux LED - Facebook
50pcs 3W UV 405-415nm LED ultraviolet LED High Power bead with 20mm star base | eBay