The Konusight Tactical Red Dot uniquely features 4 interchangeable reticle patterns that are among the most popular and versatile today. Each of the reticles can be illuminated in both, red and green. In order to accommodate all lighting conditions, you can dial up to 5 different intensities in each color.It also includes a dual mount that fits a standard style base, as well as 3/8-inch grooved receivers such as those used on 22s. The look and feel is all about tactical usage. The knurled eyepiece, and the finger adjustable, tactical windage and elevation knobs offer form and function in one complete unit.4 Interchangeable ReticlesRainproofIllumination In Red Or GreenDual Mount Suitable For 7/8" And 3/8" RailTactical TurretsIntegrated Rail System