The Barska 4x30 Tactical Multi-Rail Electro Sight features a dual color red/green mil-dot illuminated reticle and 7/8 Picatinny tactical rails which allow you to customize your scope with additional shooting accessories. Easily attach the compact green laser sight and 210 Lumen Flashlight that are included in this combo. Add additional or secondary sights or accessories easily with the picatinny/ weaver base. The GLX Compact Green Laser Sight is designed with an accessory rail, mounted conveniently under the laser for easy attachment to virtually any firearm. The T6 aluminum body allows for the GLX laser sight to provide a strong, stable platform to mount accessories to its integrated military standard picatinny rail. This model emits a highly visible intense green laser light of 532 nm in wavelength. Standard windage and elevation adjustments are accessible externally on the front side and bottom of the laser. Powered by a high capacity CR-123A lithium battery included . Keep y Barks 4x30 IR Electro Sight-Grn Laser/210 Lum LED Flashlight