Whistle, Electronic, 12VDC
Whistle, Electronic, 12VDC
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Mini Whistle for annunciation in remote areas, simply connects to the Channel 1, 12 Volt output of the Optex Receiver or requires the 500 ma adapter (60-300) if used on the relay output of a non-powered receiver output relay. 0.87" diameter x 0.37" high.
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