Bi-Directional Headlight Flasher - Model 03.W140 - Bi-directional headlight flasher for positive- or ground-switched vehicles. Choose one of the following flash
patterns when installing: Random, Alternating 90 FPM, Simultaneous 90
FPM, or Double Alternating-Double Simultaneous. LEDs indicate flash pattern. High Beam Override works with the vehicle's high/low beam switch to prevent high beams from flashing. Optional nighttime cut-off. Black ABS plastic housing. Waterproof. Made in the U.S.A.