Disclosed is an adhesive patch composed of an adhesive base agent and a supporting body wherein the adhesive base agent contains 3-30% by mass of a low-molecular-weight polyisobutylene and aluminum hydroxide andor titanium oxide but not substantially containing water. The collector electrode and the driver electrode are removable from the device. The disk may share a disk identifier with a second disk currently connected to the cluster as a shared resource. A handle portion can extend between the side panels and is constituted by opposite side areas 22 being linked together by central area 26 and handle web panels 24.