The Modlite E-Series Tailcap Switch features a recessed shroud which helps to prevent accidental activation. It also uses a forward clicking McClicky switch for momentary and constant on operation. The Tailcap fits Surefire E-Series Bodies as well as Modlite 18650/18350 and Arisaka M300/600 Bodies. It may or may not fit other E-Series bodies not produced by Surefire.FeaturesMcClicky SwitchRecessed Shroud