Two quick alternating strobes using 2 White LEDs. Similar to Ditch Lights, but don't "fade" in and out. Uses T1 Bright White LEDs Dual White StrobeSKU: FXB-DW-W$15.95PriceQuantity*Add to CartTech Specs6 - 12v DC or AC Power supply needed. Two (2) T1 (3mm) Bright White LED 12" wire attached No resistors Needed for LED