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Fast target aquisition of a red dot sight designed for tactical applicationsThree MOA center dot reticle specifically designed for tactical firearmsChoice of red or green illuminated reticle - faster target aquisition in low lightDetachable sunshadeUnlimited eye relief and wide field of view30 yard parallaxUses 3V CR2032 battery - comes with battery and a spareA red dot sight developed specifically for tactical applications, the TRUGLO 30mm Dual Color Tactical Red Dot Sight delivers fast target aquisition in any lighting situation. This sight gives you the choice of a red or green illuminated reticle to match the lighting situation for faster target aquisition, even in low light. The illuminated reticle features a three MOA center dot design specifically designed for tactical firearms. Dual Color Tactical Red Dot Sight runs off a 3V CR2032 battery (included) and comes with a spare battery you can store in the sight's spare battery compartment to stay prepared. Unlimited eye relief. Parallax set at 30 yards. Lightweight 8.1 oz. 5.83'' long with sunshade. Magnification: 1x30. Color: Matte Black.Manufacturer model #: TG8030TB.