The Leupold® VX-R Patrol 3-9x40mm Rifle Scope puts tactical and practical in the same package. Using an Index Matched Lens System with DiamondCoat on the exterior surfaces results in a sight picture of exceptional brightness and resolution, even in the harshest conditions. FireDot Illumination fiber optic reticle technology provides optimal light transmission and contrast for low light hunting situations. It's controlled with a single push button with a high/low indicator for simplicity and uses a proprietary Motion Sensor Technology that shuts down after 5 minutes of non-use and re-activates when movement is detected. All these features are packed inside a compact 30mm tube that's just 12.6" long and weighs just 15.3 oz.