This three pin React Technology sight offers enhanced visibility and fine tuning capablities for any bow. Experience React Technology today, and save time sighting in your bow tomorrow. REACT TECHNOLOGY Mathematical precision of React Technology automatically adjusts all pins to the optimal location INNOVATIVE DESIGN Make easy corrections with advanced 100% tool-less micro adjustment INCREASED ACCURACY Strengthen accuracy at severe angles over longer distances with third-axis leveling ENHANCED VISIBILITY Ultra-bright .019 fiber optic pins for ultimate visibility ENHANCED VISIBILITY Adjust the brightness to suit any shooting condition with the rheostat light