KELVIN® Fiber Optic Alarm Chain Kit

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Use this High Tech Fiber Optic Circuitry to trigger your alarm System. Wrap the fiber optic cord around your computer or valuable possession. If the fiber optic wire is cut, it's relay will trigger your alarm circuitry (alarm circuitry sold separately). The alarm circuitry can be de-energized by pressing the reset button. Requires 9VDC battery. Kit.