The Viridian 9810058 RFX45 Closed Emitter Green Dot Sight in Black delivers a compact, reliable aiming solution with a 5 MOA green dot and a 24 x 15.5 mm objective designed for rapid target acquisition. This 1x optic uses a CR2032 battery for easy power within a waterproof housing, providing unlimited eye relief and a dot-focused reticle that remains clear across variable lighting. The sight features adjustable windage and elevation with 1 MOA per click, allowing precise zeroing on a wide range of platforms, while the fully multi-coated optics maximize light transmission for crisp, bright aiming points. With a weight of 1.73 oz and a length of 1.90 inches, the RFX45 is purpose-built to sit flush on compact mounts, offering sturdy performance without significantly altering the firearms balance. The durable black anodized finish protects against the elements, and the 5 MOA green dot provides quick, intuitive target acquisition in dynamic or hunting scenarios. Ideal for close to mid-range engagements, range work, or hunter setups seeking a dependable, easy-to-use red-dot sight that pairs well with pistols, rifles, or other platform configurations where a robust, low-profile optic is beneficial.