The SA Sports 4 x 32 Illuminated Crossbow Scope is built from sturdy aluminum components this waterproof, fog proof, and shock proof scope will not let you down. Features both red and green rheostat controls for the optimal level of brightness and color depending on your light conditions, of course you can always use the standard black reticle when the power is off. Lenses are optical grade glass lenses with etched reticle. Features multiple sight points to cover all your yardage needs. Includes dust covers, cleaning cloth, hex key and weaver style mounts. This scope can't be beat for quality, performance and value. Simple the best crossbow scope available for the money.