12 LED Sinlge Strobe (3 in 1) and 36 LED Strobe (9 in 1) Truck Boat Car Strobe Lights 4 housing Control Box
3 modeLight A flashes then light B flashes . Repeats continuouslyLight A flashes once then light B flashes once.Repeats continuouslyLights A and B flash once at the same time. Repeats continuously