Bushnell RXS-250 Reflex Sight features a clear 4 MOA dot with 10 brightness settings; works well when paired with night vision; 50,000 hours (5+ years) on the mid setting (Setting 5); top loading battery is easy to replace and helps maintain your zero without the hassle of removing the sight from the firearm; works across all common red dot mounts with DeltaPointW Pro footprint and included weaver low-rise mount; rugged aluminum housing; detented Windage/Elevation adjustment with 1 MOA per click; optimized hood geometry and reflector lens design provide a large field of view without sacrificing durability and fully-multi coated with True Tone color that doesn't have a blue hue on the glass providing accurate color representation and high light transmission. CO-Witness capable, compatible with many factory optics-ready pistols and aftermarket suppressor height sights.Includes battery, protective form fit cover and Weaver low rise mount