Discontinued product.
This product has been replaced by the P4RL.
System Sensor's SpectrAlert Advanceā¢ Selectable Output Horn/Strobe offers enhanced features that include the widest range of candela options available and the capability to recognize and self-adjust for either 12 or 24 volt operation. With an overall feature set that combines performance, installation ease, flexibility, and a consistent, aesthetically pleasing appearance, the SpectrAlert Selectable Output Horn / Strobe device provides both the innovation and efficiency synonymous with the SpectrAlert name. Replaces the P1224MC.