Blinding 95,000-candela peak beam intensity delivers extreme long-distance illumination (with included SF18350 battery) Dual Fuel technology offers the flexibility of swapping between the rechargeable SF18350 battery or a single 123A lithium primary battery Mil-Spec hard-anodized aluminum body and tempered window make it light, rugged, and durable; meets IPX7 waterproof test standard Multi-output, with low-output mode ideal for administrative tasks and extending runtime