EZshoot Dot Sight 4 Reticles Red Dot Sight with 20mm Picatinny Rail

About?Dot Sight ¡¾More Accuracy¡¿Fully multi-coated red lenses enhance image clarity and increases light transmission during low light situations. The 44mm reflex lens with tubeless design provides a wider field of view (15.8m@100m), parallax corrected & unlimited eye-relief, improving the accuracy of reflex sights. ¡¾4 Reticle Options¡¿Illuminated reflex sights with 4 bright reticle selections provide various choices to meet different occasions. Dot, Circle/Dot, Crosshair/Dot and Crosshair/Circle/Dot combinations are all in one sight, co-witnesses with your existing iron sights. ¡¾Easy to install¡¿Holographic sight with standard profile Picatinny mounting base installs conveniently on the rail, using included Allen wrenches. Compact battery compartment makes battery replacement easy. ¡¾8 Brightness Settings¡¿With 8 levels of brightness adjustment, red dot sight can be adjusted to fine-tune red dot from sunlight to dusk. The push-button design makes brightness adjustment easi