Description:Function:Remote Pressure Switch for LED Torch FlashlightMaterial: Anodized Aluminum Compatibility model: C8 and other models who use same metal molded case as follows- C8-Q5, C8-R5, C8-T6- SuperFire C8-Q5, C8-R5, C8-T6- TrustFire C8 Diameter:- Outer Diameter: 25mm- Inner Diameter: 23.5mmColor: BlackPackage Weight: 40 G / 1.41 OuncesPackage Including:1 x Switch （No flashlight）NO Retail Box. Packed Safely in Bubble Bag.