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