The RFX-11 is an ultracompact micro red dot ideal for use on a handgun or as an offset close-range secondary sight for a rifle. The RFX11 is of the of the lightest reflex sights on the market coming in at only 4 ounces and features a high-visibility 3 MOA green dot. An INSTANT-ON system and auto shut-off helps to conserve battery life and is paired with a built-in ambient light sensor allows the sight to adjust its brightness on the fly to match the environment. The RFX-11 also boasts a 30,000-hour battery life, ensuring long-lasting functionality on a single CR2032 battery. The RFX-11 uses a Shield RMSc optic footprint. One CR2032 battery is included along with a sight adjustment tool and mounting screws.