Reverse Reflex Sight design for shotguns and rifles; Red 32 MOA segmented circle & 3 MOA dot; 6 hour sleep function; 6 illumination levels; Sealed design to combat moisture and dust; Machined out of high-grade aluminum; Picatinny rail adapter included with sight and will mount to any picatinny style rail. Rail not included; CR2032 battery and lens cloth included; Product Weight: 2.77oz (includes sight, pic. rail adapter and battery)