* Filament Tuned Reflector - Maximizing the bulb output in distance & volume.* Quick Change Sacrificial Lens - A design feature delivering superior performance.* Integrated Spread or Spot beam - Just push & twist! No tools. No sweat. Job done!* Integrated Quick Change Bulb & Heat Sink - Smart design & precision machining!* Gore Vent Breather - Water, mud, snow or dust? Desert, tropics or Arctic Circle? No problem!* Billet Machined Aluminum Alloy Base - A world first!* Hard Coated Optical Surfaces - Protecting your investment 24/7/365* Stainless Steel Fasteners - Not just any stainless steel!* Injection Moulded Engineering Resins - Result? A composite body of unrivaled strength.* FYRLYT Lights are Rebuildable - We want you as a customer for life on or off road!