"Alarm systems" means any mechanism, equipment, or device which is designed to detect an unauthorized entry into any building or onto any property, or to direct attention to a robbery, burglary, fire, or other emergency in progress, and to signal above occurrences either by silent, remote, or audible alarm, upon any premises or group of premises under single control or management, designed to operate automatically, or upon manual activation which transmits a signal. (Ord. 2014-04, 4-8-2014)