The reflex full size sight is optimal for use with shotguns, ar and youth model rifles.Features four reticle patterns: dot/cross/starburst/bullseye and red/green dual illumination with six levels of brightness, control buttons on either side of the view window, ultra-fast target acquisition, picatinny/weaver mounting system and unlimited eye relief.Battery Size: CR 2032Magnification: 1xObjective: 33mmEye Relief: UnlimitedDot Size: 3 MOALength: 3.25"Weight: 3.56 ozFinish: Matte BlackReticle: Red/Green Dual Illuminated Multi ReticleAdjustment Size: 1.0 MOAProofs: Fog Proof/Shock ResistantOptic Coating: Anti-ReflectionWindage Elevation: Adjustable