Combination xenon/LED flashlight preserves night vision when you need it most. Dual Switch System features a Mode Switch for 3 lighting positions and safe, and an engineered tailcap for Power On/Off and Signal. Offers 4 Mode Sequences: (2) Ultra-bright LEDs (green); (1) Indicator-type LED (green); Xenon; Safe. Safe mode ensures the light does not accidentally switch on. Up to 72 Lumens typical (Xenon); and up to 8 Lumens typical (2 LEDs). Indicator/Navigational LED preserves complete dark adaption per MIL-1472D. Run time: Up to 2.5 hrs. (Xenon), Up to 28 hrs (LEDs). Uses two 3V CR123A lithium batteries. Type II anodized aluminum for superior wear and abrasion resistance.