The IQ Define incorporates the rangefinder unit directly onto the sight housing for a cleaner line of sight and better balance. This premium 7-pin sight with ultra-bright .019” fiber optic pins is 30 percent lighter featuring a magnesium frame and smaller, but further ranging range finder. The housing has the Retina Lock incorporated in to it and features micro adjustable pins, a precision bubble level, tool-less adjustments, 2nd and 3rd axis adjustments, an integrated sight light with 5 brightness levels and a CR-2 powered range-finding unit with +/- 1 yard resolution to 150 yards.