With advanced fiber-optic/tritium aiming-point illumination, the Trijicon AccuPoint Rifle Scope speeds target acquisition and extends available shooting hours. The dual-illumination, fiber-optic system automatically adjusts aiming-point brightness to existing light conditions. This provides hunters optimum aiming-point illumination and ideal reticle/target contrast. The result: lightning-fast precision aiming in any light without failure-prone batteries- for maximum shooting success. Optics have a lifetime limited warranty, with a 15 year guarantee on the illuminated reticle.