Terralux TLF-802AAA-BLK LightStar 80 Penlight, Black The LightStar80 is everything a penlight that is built for professional use should be High CRI (Color Rendering Index) LED brings colors to life like no other LED you've ever seen RubberBite Grip for hands-free use Comes with 2AAA alkaline batteries and high tension, reversiblepocket clip Momentary on, click for constant on/off, Water resistant, Aircraft grade aluminum