The Modlite E-Series Tailcap Switch is Black HA Type III Anodized. It 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®.