The Killer Instinct 1.5-5×32 IR-E Crossbow Archery Scope is an elite, high performance crossbow scope. Easy-to-use Speed Ring adjustment allows scope to be instantly matched to any crossbow shooting speeds between 330 fps to 450 fps. It features an 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 delivers the very best for crossbow hunting. Waterproof, Fogproof and Shockproof.