WindFire Remote Switch for WF-C8 Cree Q5/R6/T6/U2 Flashlight C8 Pressure Tail Switch C8 Mouse Tail Switch wire switch extension cable Only suits WF-C8 Cree Q5/R6/T6/U2 led flashlights. Pressure switch/ mouse tail for C8 Cree Q5/R6/T6/U2 flashlight Anodized aluminum material, high quality Best for hunting or camping, mining, etc. Diameter of remote pressure switch is 20 millimeters