Ultimate Arms Gear 1X30 Tactical CQB Dual Red & Green Reticle Dot Adjustable Brightness Weaver-Picatinny 7/8" Shotgun Pistol Rifle Gun Crossbow Hunting Reflex Sight Scope Red & Green Illumination. Weaver Picatinny 7/8" System To Lock Onto Mount. Full Windage and Elevation Adjustments & Adjustable Brightness Settings Intensity Control. Thermoplastic Lens Cover Included. Battery Included ! Built to Handle Tactical Situations.