A string trimmer comprising a body wherein a cavity is formed within the body and which is adapted to store at least one cutting member for the string trimmer. Each voltage shifting circuit is configured with a regulated current producing a shifted and a non-shifted version in-phase. When accessing to an access destination of the plurality of access destinations via the communication with the server, the apparatus controls the communication to reach a time-out according to the time-out time which is decided and corresponds to the access destination.