Flasher Unit, LED, Notes 2: For LED warning lights 28A43, 28A44, WL3630, WL6025 & WLHV44. (1) LED90 is needed per light., Notes 3: 90 flashes per minute., Notes 4: This is to be mounted in series, red wire to power source, gray wire to power wire on light., Notes: to the lack of power draw & resistance needed to make them function., Notes: This flashing unit is for cases where typical flasher bulbs will not work for LED warning lights due, Volt/Amperage: 12 Volt / 0.05A – 10A