"Alarm system" means any device that is designed for the detection of an unauthorized entry into any building, place, or premises, except motor vehicles, or for alerting others to the commission of an unlawful act, or both, and that emits a sound or transmits a signal or message when activated.
"Battery-charged security fence" means an alarm system and ancillary components, or equipment attached to such a system, including but not limited to:
HRS § 142-61
Fences and boundaries, see chapter 664. Trespass, see § 708-813.