The Lumis II LED Li-Ion Headlamp adapts to Orascoptic and Designs for Vision eyeglass frames as well as the maker’s own brand of Titanium or Polycarbonate framed safety glasses. For use with or without magnification, its tightly collimated pure white light beam produces 2000 candelas of illumination. Weighing only 27 grams, the headlamp runs up to 14 hours on a single 3 hour charge. An AC powered version is also available.