The Vortex Spitfire HD Gen II 3x Prism Scope provides a clear target image with its HD optical system and crisp optical performance in a smaller and lighter design. With 12 illumination settings, you can properly adjust this reticle for any lighting condition, and 2-night vision compatible settings ensure these Prismatic Red Dot Sights are compatible with your favorite night vision devices. This Vortex Optics Spitfire HD Gen II 3x Prism Combat Sight is compact and lightweight, so it can be mounted on a variety of weapons without issue.