Q: The tail-cap switch doesn't seem to be working properly.

A: PentagonLight™ provides a wide selection of tail-cap switches. Identify the tail-cap on your light. Please note that tail-caps have different exterior finish, but they perform the same as long as the shape and the style match the one on your light. Select the tail-cap by clicking on the photo that correspond to the model you have. TC1 TC2 TC3 TC4 TC-B1 It is possible that a remote pressure pad switch tail-cap has been installed on your light. These tail-caps have a cord for remote activation. If so, please refer to its operator's manual for instructions on how to operate it. For further asssistance, online support is available on remote switch tail-caps. If you are not able to identify the tail-cap on your light, please contact our customer service department for assistance.