Product Group Code: Star-66-Spectrum-Back-Up-Alarm

Combines the familiar sound of a traditional warning alarm with a specially designed composite buzz tone to provide the ultimate audible warning power; Superior performance and protection from damage to the speaker due to its reverse mounted speaker; Spectrum uses a narrow array of frequencies resulting in a robust tone that is more easily tracked and universally recognized; Industry standard mounting; Patent (#D639,688S); Individually programmed through a proprietary fixture that incorporates the optimal base frequency into each alarm; Decibel level: Sound pressure level should be selected based on the ambient noise of your work site and on regulations such as OSHA.