The BioLight Technologies PTL laser (such as the Aura PTL II) is an advanced low‑level (“cold”) laser therapy system designed to accelerate healing, relieve pain, and reduce inflammation. Precision-engineered (635 nm, <5 mW), it delivers targeted wavelengths and customizable frequencies to stimulate cellular repair, improve circulation, and alleviate neurological & musculoskeletal issues—with over 3,000 stored protocols tailored to individual needs 
The PTL laser supports a wide range of conditions—from injury recovery and chronic pain to nerve rebalancing and energy medicine—using proven, non-invasive photobiomodulation to promote wellness naturally .