Truglo's tru-brite dual open red/green dot sight has two choices of reticle color for contrast against any target or background.An unlimited eye relief gives a wide field of view for ultra fast target acquisition.The target side of the 34mm lens is coated for anti-reflection and is parallax free from 30 yards.It has a integrated weaver-style mounting system and (3v-cr2032) batteries are included.This model has a single 5 moa dot reticle.Battery: CR2032Magnification: 1xObjective: 34mmField Of View: WideEye Relief: UnlimitedDot Size: 5 MOALength: 3.48"Weight: 5.50 ozFinish: Black MatteReticle: Red/Green DotAdjustment Size: 1" @ 100 ydsProofs: Water/Shock ResistantOptic Coating: Anti-ReflectionWindage Elevation: 30 MOA