The Liberator is a super compact, highly accurate Point-of-Aim Dot Sight. A clear 1X magnification allows for lightning-fast sight picture acquisition with both eyes open. Light weight but tough, it is engineered to withstand 800 Gs of impact. It is waterproof, fog resistant and features hydrophobic & anti-scratch coatings on the ruby red, anti-glare lenses. Green reticle Liberators utilize a silver lens coating.Adjustment Click Value1 MOADot Size2 MOAMagnification1xLens Diameter22mmIllumination Positions10Brightness AdjustmentsUp/Down Digital PressShockproof G Forces800GsWaterproof1 Meter/ IPX7Max Battery Life3,000 hoursDimensions2.54"(length) * 1.6" (width) * 1.62"(height)Weight3.49 ouncesLensRed Dot- Multi Coated Ruby RedGreen Dot- Multi Coated SilverSpecialty CoatingsAnti-fog, hydrophobic, anti-scratchParallaxParallax free @100 yardsEye ReliefUnlimitedMount TypePicatinnyChassisAircraft grade aluminumWindage/Elevation Movement Range (MOA)+/- 45MOA/ Total 90MOA Range