The IQ Micro Bowsight with Retina Lock Technology has archers shooting longer distances and tighter groups than ever before. Now featuring micro adjustment control and .019 fiber optic pins for even greater accuracy and precision. Retina Lock instant feedback Technology controls muscle memory form and consistency allowing you to shoot longer distances with tighter groups. If shooters torque their bows or their anchor point is off even a ¼" the shot can be off more than 10" at 40 yards.This sophisticated technology provides instant feedback that will identify even the slightest torque or anchor point change. The IQ Micro Bowsight will increase your effective shooting range by 20 yards or more and increase your confidence. The IQ Sight comes with tool-free locking knobs for adjustment a built-in sight level 2nd axis adjustment and the ability to add a sight light (not included).