The EOTech Vudu 3.5-18x50mm FFP (First Focal Plane) Riflescope provides a robust 34mm tube, XC High-Density glass, and is loaded with other performance features required to take that precise long-range shot. The oversized and precision-machined turrets, with EZ Chek Zero Stop feature, let you quickly dial adjustments and return to zero, even in low-light conditions. The side-mounted parallax adjustment allows you to easily dial-in the reticle focus. It comes with a Operator Manual, Reticle Manual, Throw Lever, Lens Cleaning Cloth, Zero Stop Wrench, and a CR2032 Battery.