10 Functions 1.Alternate single strobe slower 2. Alternate single strobe faster 3.Alternate 3 continues & 3 simultaneous strobe 4. Alternate 7 continues strobe faster 5. Alternate 3 continues strobe faster 6. Simultaneous single strobe slower 7.Simultaneous single strobe faster 8. simultaneous 3 continues strobe slower 9. simultaneous 2 continues slow then 5 continues strobe fast 10. random strobe Hi-Power LED 41 LEDs Per Light