Be ready at a moments notice by using our most advanced auto-ranging digital bow sight yet. With a fast and easy to set up, giving you line of sight feedback to take your best shot every time. Features micro adjustable rails let you make quick, precise changes for elevation, windage and laser reticle alignment; calibrate your 20-yard pin, enter your bow speed, draw length and arrow diameter and Xero A1i PRO will automatically create a pin stack to your bows estimated maximum distance; silent button trigger; dynamic level; Flight apex; Xtra Distance (XD) mode; Laser Locate feature; multiple arrow profiles; shot dynamics and shot counter. Easily remove the bow sight for travel, then reattach it to its original position in seconds when you’re ready to use it with the quick detach feature. Includes Mount (Hoyt version includes picatinny mount), protective bag, two AAA lithium batteries, three Allen hex keys, two screws, grip tape and MicroUSB cable.