The engineers at ATN Company know that men and women generally want lengthy ranging IR illuminators so we don’t disturb wildlife and activity from their habitats. My Rattler is very repeatable when getting it on and off with the rifle, holding in 1 inch of zero at a hundred yards. https://dallaszedef.wizzardsblog.com/28175486/little-known-facts-about-infrared-light-for-night-vision-scope