Take your accuracy to the next level with React Technology. This innovative sight utilizes mathematical precision to quickly and accurately sight-in for unparalleled performance when it matters most. Accurately predicts what each pin gap will be based on the distance between your 20 yard pin and any other yardage. Package Includes: Trophy Ridge React H5 sightMounting hardwarePre-charged rheostat light battery FeaturesReduces vibration while maintaining light-weight strength with Ballistix CoPolymer constructionMathematical precision of React Technology automatically adjusts all pins to the optimal locationMake easy corrections with advanced tool-less micro-click windage and elevation adjustmentsStrengthen accuracy over longer distances with second-axis adjustmentAdjust brightness to suit any shooting condition with the rheostat lightMeasured Arrow speed 240-330 FPS