NcStar's SRT Gen3 Rubber Armored Scope features a fully integrated 532nm, max output green laser on top of the scope body. The whole ocular body functions as a large Magnification ring. There is also an adjustable reticle focus ring at the end of the ocular lens. Each lens is fully multi-coated for a bright crystal clear image quality and includes integrated flip-up lens covers. Its electronic control panel turns on/off the illuminated reticle, adjust the brightness level, changes the reticle color from blue or red, and turns the laser on/off. The Gen3 Integrated Auto Locking Quick Release Mount, fits Weaver/ Picatinny/ MIL-STD 1913 type rails and features a redesigned and more compact lever. Included are 2 AA batteries. Feature: GEN3 SRT 3X-9X variable magnification Rubber Armored Scope with a 40mm objective lens, the SRT scope features a fully integrated green laser on top of the scope body Top mounted fully adjustable green laser: 532 nm, maximum output less than 5 mw, Class IIIa laser The electronic control panel turns on/off the illuminated reticle, adjust the brightness level of the illuminated reticle, changes the reticle color from blue or red, and turn the laser on/off The SRT whole ocular body functions as a large magnification ring, there is also an adjustable reticle focus ring at the end of the ocular lens Low-profile elevation turret with a Bullet Drop Compensator (BDC) calibrated for M193 55 grain FMJ Mil-Spec ammo AR15/M4 1-1/2 inches scope centerline height New GEN3 integrated auto locking quick release mount, fits Weaver/Picatinny/ MIL-STD 1913 type rails, features a redesigned and more compact lever Includes integrated flip-up lens covers Fully multi-coated lens for a bright crystal clear image quality Black rubber armored aluminum body Uses (2) AA batteries (included)