The tru-brite dual color multi-reticle red dot sight offers two choices of reticle color for contrast against any target or background (red or green).It has four reticle patterns (2.5 moa dot 5 moa dot 20 moa circle with 2.5 moa center dot 45 moa circle with 5 moa center dot) for accurate targeting in any shooting condition.The tru-brite dual color multi-reticle sight also has an adjustable rheostat for brightness control unlimited eye relief click windage and elevation adjustment anti-reflection coating on target side integrated weaver-style mounting system and includes 3v-cr2032 battery.It is parallax-free from 30 yards.This model comes in a box packaging.Battery: CR2032Magnification: 1xObjective: 34mmField Of View: WideEye Relief: UnlimitedDot Size: Multi-ReticleLength: 3.27"Weight: 5.50 ozFinish: Black MatteReticle: Illuminated Red/Green 4 PatternAdjustment Size: 1" @ 100 ydsProofs: Weather ResistantOptic Coating: Anti-ReflectionWindage Elevation: 30 MOA