The KonusPro 550 takes the guess work out of hold over angles for even the most difficult of shots. The exclusive ballistic reticle, provides a system of reference lines for exact aiming points out to 550 yards. Lateral hash marks allow for precise leads of moving targets as well as compensating for strong crosswinds. The engraved ballistic reticle is unbreakable, and the multi-coated optics are clear and bright. The KonusPro is shockproof and nitrogen-purged for true waterproof and fogproof integrity. It is airgun approved and finger adjustable windage and elevation adjustments. It includes lens caps and a lens cleaning cloth. This model features a dual illuminated red/blue engraved Ballistic 550 reticle (engraved in the second focal plane) and a black matte finish. It includes a CR2032 battery.