PURE BEAM TWIST FOCUS: Pack two powerful beams into one and seamlessly transitionwith no halos or hot spotsbetween short and long-range viewing. COASTs 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 TAILCAP: This headlamp is built from top-grade aluminum and features a dust-resistant and storm proof body that rolls in its brack