Before revision: Mode of operation 366x366px| Lightscibe laser tacking ring as seen on this DVD+R The surface of a LightScribe disc is coated with a reactive dye that changes color when it absorbs 780 nm infrared laser light.
After revision: Mode of operation 366x366px| LightScribe laser tacking ring as seen on this DVD+R The surface of a LightScribe disc is coated with a reactive dye that changes color when it absorbs 780 nm infrared laser light.