The Elcan Specter DR is a high tech optic with variable power that is designed to be adaptable to any tactical situation. This sight has a huge field of view and long eye relief allowing the user to quickly acquire their target. This sight has a fixed 4x zoom. The illumination is adjustable to five different settings and can also be switched between a simple dot or full cross-hairs. This optic also has a lever lock feature making it easy to detach and reattach to any weaver/picattiny rail. Lastly, the top of the optic has built in iron sights, should there be a situation where they are better suited. If you're looking for the ultimate optic, this is it!