These lights are machined from bars of 6061 T6 aerospace aluminum. They are type III hard coat anodized in a proprietary matte black finish. Each light has a foamed vinyl grip like ASP's batons. The Triad incorporates a three position intermittent/locked/constant switch. The Triad is a two level light. A simple push of the rear mounted activation button provides brilliant intermittent or constant illumination. A double tap gives instant access to a low output second level. Batteries included.