> Designed to address sequential or scrolling LED or incandescent turn signals that require consistent and accurate flash rate timing. > Will operate any combination of incandescent lamps or LED conversions without changing the rate of flashing. > User adjustable flash rate for scrolling or sequential LED tail lights. Adjustment controls the rate from 50 to 70 times a second. > Loud audible sound can be heard even with high performance exhaust systems. > Replaces either 3 pin or 4 pin Bosch signal flashers > Part #  AF-02, Bosch 4 pin replacement has extra “KBL” connection for dash indicator.  > Compatible with Pantera flasher socket, standard ISO European type pin-out. > Constant flash rate does not change at idle or other engine RPM like conventional flashers. > Green LED power “ON” indicator on flasher to indicate ready. > Adjustable Flasher P/N AF-02 is also a replacement for Alfa Romeo Bosch 4 terminal signal  flasher. No wiring modifications required. Adjustable Flasher (3 terminal) Part #  AF-01 Price - $34.00 USD Adjustable Flasher (4 terminal) Part #  AF-02 Price - $39.00 USD  Adjustable Rate Signal Flasher The only manufacturer of electronic technology designed exclusively for the de Tomaso Pantera PRODUCTS