The waterproof and shockproof sleek design of Leupold's VX-R Patrol features daylight-capable illumination. Its patented 1-button design minimizes bulk allowing users to select between 8 intensity settings, including a low/high indicator. Leupold's Index Matched Lens System combined with edge-blackened lead-free lenses makes for astonishing clarity and light transmission, and the extreme fast-focus eyepiece ensures optimal diopter adjustments. The 30mm main tube and finger-click adjustments assure maximum precision, while the micrometer-target style windage and elevation adjustments allow you to hear and feel without looking at the dials. The readily available CR-2032 coin-cell battery produces remarkable runtimes, while the fiber optic light pipe eliminates the need for an eyepiece-based control module. Its proprietary motion sensor automatically deactivates illumination after 5 minutes of inactivity, yet reactivates instantly as soon as any movement is detected. his model has a 1.25-4 magnification, a 20mm objective lens, and a illuminated FireDot SPR rectical.