Red Lens 6-1/4 Bolt circle 8 Red LEDs Two Flash Patterns: Fast/Slow (80 flashes per minute/600 flashes per minute) 12 VDC With Sealed, Three Wire Pigtail Meets or exceeds DOT FMVSS 108 and SAE J877 Two Flash Patterns Pattern 1: Red wire to (+) and White wire to (-) produces a slow flash (approximately 80 flashes per minute)
Pattern 2: Black wire to (+) and White wire to (-) produces a fast strobe flash pattern (approximately 600 flashes per minute)
Note: Insulate or cap off the wire that is not being used