The Bushnell 1x25mm RXS-10R is a black, compact red dot reflex sight with a 4 MOA GREEN dot reticle and multiple brightness settings. It features a durable, aircraft-grade aluminum housing, multi-coated optics, and is compatible with a DeltaPoint Pro footprint. It is powered by a CR2032 battery, offers up to 5,000 hours of battery life on a mid setting, includes a 12-hour auto-shutoff, and has a side-loading battery door to maintain zero during replacement. Battery life: Up to 5,000 hours on a mid setting Auto-shutoff: Activates after 12 hours of inactivity Mounting: Compatible with the DeltaPoint Pro footprint and includes a Weaver-style low-rise mount Durability: Rugged, aircraft-grade aluminum construction 1 MOA per Click Water resistance: IP67-rated Other features: Side-loading battery for easy replacement without remounting, and "True Tone" fully multi-coated optics.