The Risco LightSYS Air Dummy Siren is a cost-effective deterrent designed to give the appearance of a fully operational external siren. Installed alongside your LightSYS Air wireless alarm system, it provides a visible warning to potential intruders that the property is protected by a professional-grade security system. With its authentic design and durable weather-resistant housing, the dummy siren enhances the overall security presence of your premises without additional wiring or power requirements.