The exps2 offers true 2-eyes-open shooting and provides an unparalleled targeting experience.The increased height of the exps provides iron sight co-witness access in the lower third of the viewing window.It features easily adjustable side buttons and a quick-detach lever (fits both 1" weaver and mil-std-1913 rail).It has a transversely-mounted lithium 123 battery which operates for 600 continuous hours at nominal setting 12 at room temp.The 20 brightness settings and a scrolling feature.The exps reticle has a 68 moa circle with a 1 moa dot.Battery: CR123AMagnification: 1xObjective: 30x23mmField Of View: 30 yds @ 3" Eye ReliefEye Relief: UnlimitedDot Size: 1 MOALength: 3.80"Weight: 11.20 ozFinish: BlackReticle: 68 MOA Ring/Red DotAdjustment Size: .5" @ 100 ydsProofs: Water Resistant/FogproofOptic Coating: Anti-ReflectionWindage Elevation: 40 MOA