When your optic needs to be faster than your reactions, the Leupold DeltaPoint Pro is up to the challenge. The lightweight aluminum housing is shrouded by spring steel for the ultimate in ruggedness while the aspheric lens generates a wide field-of-view with some of the best image quality ever seen in a reflex sight. Leupold's patented Motion Sensor Technology discerns any movement of the sight and automatically activates the illumination which is inset into a light tunnel to reduce the light signature in tactical situations. The tool-less, spring actuated battery compartment makes changing the battery quick and easy while being impervious to water at a depth of 33 feet. The 1 MOA elevation and windage adjustments eliminate the need for adjustment lock screws. From handguns to ARs; and from .22s to .458s, the agile DeltaPoint Pro is always a step ahead. Covered by the Leupold Golden Ring Full Lifetime Warranty.