Pure beam twist focus: Pack two powerful beams into one and seamlessly transition?with no halos or hot spots?between short and long-range viewing. COAST?s patented focusing technology adapts to your need. The Ultra View Flood beam delivers edge-to-edge clarity in a broad circle, and the BULLS-EYE Spot beam sends a sharp ray of light at a distance with a transitional halo around the spot to increase the effective viewing area Rechargeable-dual power: Each coast Rechargeable-Dual Power product comes with a ported ZITHION-X rechargeable battery or a non-ported ZITHION rechargeable battery and is compatible with either Coast Extreme Performance alkaline batteries or other brand-name battery types, depending on the product. This provides you the cost savings of using rechargeable and the flexibility of reverting to alkaline Detachable headlamp with magnetic tail cap: This headlamp is built from top-grade aluminum and features a dust-resistant and storm proof body that rolls in its bracket for dynamic directional lighting?which can also detach to become a handheld flashlight with a built-in magnetic tail cap and real-time power indicator Specs: 2075 Lumen Max Light Output, 195 Meter (639 ft) Max Beam Distance, and 36 Hour Max Runtime