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Potter Electric Signal Co.'s Low-Frequency Horn/Strobes

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Potter Electric Signal Co.’s LFHS-Series low-frequency horn/strobes produce a 520 Hz square wave, temporal 3 tone and are available in 15, 110 and 177 candela strobes. The Checkmate instant voltage-verification feature enables installers to check voltage drop and match it to the blueprint. They are available in red and off-white. 


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