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. This advanced rechargable USB system also is also the only ASP Sapphire USB to have an integral retention clip. The lights are incredibly convenient, compact and powerful. The forged aluminum panels provide a convenient means of customization through laser engraving or inset die struck medallions.