Mhrd1 micro hiit red dot features 3 moa center dot allows users to quickly acquire their target while simultaneously providing precise accuracy at an extended range.Lens automatically adjusts its brightness based on various light conditions to help conserve battery power.Defies heavy recoil of up to 600g.Perfect for use on a picatinny mount.Battery: CR2032Magnification: 1xObjective: 24mm x 16mmEye Relief: UnlimitedDot Size: 3 MOALength: 1.75"/4.5cmWeight: 0.22 lbs/ 3.5 ozReticle: 3 MOA Red DotAdjustment Size: 5 MOAProofs: IPX7 WaterproofOptic Coating: Multi-CoatedWindage Elevation: Adjustable