Primos Bloodhunter HD Shadow Free Blood Tracking Light Powered by intense 600 lumen CREE XM LEDs Uses a custom optical filter that reduces select colors in order to amplify blood Makes blood visible in all types of terrain Two power settings  intense HD tracking and low illumination Flat handle design for comfort and carry State of the art blood tracking technology powered by intense 600 Lumen CREE XM LEDs Makes blood visible in all types of terrain 2 power settings - intense HD tracking and low illumination Flat handle design for comfort and carry Comes with Cardura holster with belt straps and 4 CR123 batteries