It is unlawful to install on the exterior or interior of a building an intrusion detection device or burglar alarm system which upon actuation emits a sound exceeding eighty (80) decibels (when measured from anywhere outside the premises), or which is similar to sirens in use on emergency vehicles or for civil defense purposes. (Ord. 1030 § 2(7), 2018; Ord. 603 § 1 (part), 1979)