The bsa multi-purpose sighting systems are a wonderful light weight sight for close quarter and medium range targets.Light enough for small calibers plicking on the range, yet durable enough for larger calibers used by hunters and law enforcement departments.The huntsman model features rgb technology, rail mount and 11 position rheostat.Battery: CR2032Magnification: 1xObjective: 30mmField Of View: 68 ft @ 100 ydsEye Relief: UnlimitedDot Size: 5 MOALength: 6.50"Weight: 5.94 ozFinish: Matte BlackReticle: 5 MOA Red Green Blue DotAdjustment Size: 0.50 MOAProofs: Water/Shock/Fog ProofOptic Coating: Multi-CoatedWindage Elevation: Adjustable