Know the range, and shoot the exact pin with minimal movement using Xero bow sights. They're the first bow-mounted digital laser range finders and targeting display systems that measure the angle-compensated distance to your target and provide an LED pin for the shot - even on those "in-between" yardages. LED pins automatically adjust brightness to conditions and allow you to see your target, unobstructed by physical pins. A single-button trigger lets you range at rest or full draw to game up to 100 yards away or to reflective targets up to 300 yards. Both Xero A1 and A1i are customizable for single-pin and multi-pin configurations or manual pin selection.Xero bow sights mount directly to your bow, providing a highly accurate laser range finder that calculates the exact LED pin to use for the shot. There's no need to fumble with a separate range finder or guess which pin to use. No more guessing about yardages in between pins. Xero A1 and A1i bow sights...