BARSKA 4-16x60 IR Euro-30 Pro 30-mm Riflescope European-style riflescope that's suitable for big-game and general hunting 4A illuminated cross reticle with 11 brightness adjustments; fast-focus eyebell Zoom adjustment ring with thumb lever; finger-adjustable windage and elevation Waterproof, fogproof, and shockproof housing; comes with 5/8-inch see-through rings 30mm tube construction; measures 14.5 inches long and weighs 28.2 ounces; lifetime warranty