Alarm system having an indicator light that is external to an enclosed space for indicating the specific location of an intrusion into the enclosed space and a method for installing the alarm system

摘要: An alarm system for indicating the specific location of an intrusion into enclosed space, as well a method installing system, are disclosed. The causes illumination indicator light outside space and within outer perimeter zone thereby intrusion. At least one interior sensor located generates signal in response to movement therein. A control responsive emit that is visible from space. emitted can indicate by directing towards location, and/or surrounding activating display produces readable output location.