SoundOff Signal
SOUND OFF HEADLIGHT FLASHER
Part / model: ETHFSS-SP-ISO
SELECT-A-PATTERN HEADLIGHT FLASHER (FOR SYSTEMS REQUIRING ELECTRICAL ISOLATION)
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Product information
Confirm vehicle make, model, year, mounting requirements, and compatibility with BlueLine before ordering. Available combinations and lead times are confirmed with your quote.
Product information and photos supplied through Wholesale Public Safety. Photos may show optional accessories. Updated October 25, 2026.