The Sapphire USB introduces a new technology to personal lighting tools. The light is bright, reliable and conveniently clipped. The shockproof Sapphire is small enough to be your constant companion, yet powerful enough to be your first choice for safety. Here is a Lifetime of Light® . . . where and when you need it. The brilliant Nichia LED produces a high efficiency, non-deteriorating solid state beam. It provides soft illumination with a 180° viewing radius that is visible over one mile. The system is so advanced that we guarantee the Sapphire USB for life against defects in materials or workmanship.