Operates on 3-28 Vdc. Continuous tone. 103 db sound pressure. 1.14" diameter x 0.93" ABS plastic housing. Can be bulkhead mounted with tabs on 1.31" mounting centers, or can be mounted through a panel hole of 0.7" diameter via threaded bushing and panel nut. 5" wire leads. Black housing
Have used these to provide an audible turn signal indicator on motorbikes (visual indocators, when stock, are seldom in your sight line - that's why you see so many bikes with erroneous signals - few bikes have auto off like cars). Loud enough to be heard at highway speeds - so loud that I put 10K pots in series to tone them down in urban areas. Best mounted out of weather, but at this price, just buy replacements for that problem.
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