Features: Generation III high power LED , surface mount lighthead Weather and vibration resistant Pre-programmed multiple flash patterns Alternating or simultaneous flashing available Technical Specifications: Voltage: 12/24 VDC 6 pcs of 3W LED Led cover available :Amber ,blue,red,white,green Lens:TIR Dimensions: 4.9" wide x 1.5" high x 0.7" deep Flash Patterns: 1. Quad Burst - Split 2. Quad Burst - All 3. Quad Burst Alternating* 4. Quad - Split 5. Quad - All 6. Quad Alternating* 7. Single - Split 8. Single - All 9. Single - Alternating* 10. Super Flash - Split 11. Super Flash - All 12. Super Flash - Alternating* 13. Quad/Single w/ Quad Burst - Split 14. Quad/Single w/ Quad Burst 15. Accelerator - Split 16. Accelerator - All 17. Express Flash 18. California Steady with Pulse 19. California Steady 20. Steady All 21. Cycle Flash Split & All 22. Off