The Killer Instinct® 1.5-5x32 IR-E Crossbow Archery Scope is an elite, high-performance crossbow scope. Easy-to-use Speed Ring adjustment allows the scope to be instantly matched to any bow shooting speeds between 270 fps to 450 fps. Features expertly designed Killer Instinct KillZone™ XB100 Reticle - optimized for both fast short-distance target acquisition and precision long-range accuracy out to 100 yards. Exceptional LUMIX optic clarity, micro-adjust Red/Blue Illumination, and a rugged chassis deliver the very best for crossbow hunting. Waterproof, Fogproof, and Shockproof.