Gerber 22-80066 Carnivore Blood Tracking Light, TRAX Blood Tracking Technology with Sheath Xenon light designed for hunters to brightly illuminate red blood trails while tracking Easy toggle between bright white xenon and TRAX blood tracking light at night Plastic casing and 7 uniquely calibrated LEDs; built-in battery indicator Lanyard and sheath included; 4 AA batteries required, not included 3 pounds; limited 1-year warranty