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.