The SoundOff Signal Dual Pattern Flasher will operate a two or four headlight system on any
vehicle with a 12 VDC negative ground system. This Flasher will alternate the vehicles high beam
lights at a constant flash rate 1.9 flashes per second or modulate them at 3.6 flashes per second. When used at night, the low beam headlights remain ON for proper illumination, while the highbeams flash to gain attention and increase the vehicles visibility. Solid State Driven Relay design with a 1 Year No Hassle Warranty.