The Viridian RFX42 is a compact enclosed emitter green dot sight engineered for fast target acquisition and dependable performance in any environment. The enclosed design protects the emitter from dust moisture and debris maintaining a clear uninterrupted sight picture in all conditions. The 3.5 MOA green dot offers a bright crisp aiming point that stands out quickly against any background. With 10 total brightness settingsincluding 2 night-vision compatible modesyou can adapt to changing light conditions with precision. Compatible with the Shield RMSc footprint the RFX42 installs easily on most compact optics-ready handguns. The fully multi-coated aspherical lens ensures optimal clarity and light transmission. Constructed from CNC-machined aluminum with an IPX6 waterproof rating this sight weighs only 0.9 oz while maintaining full durability.