XTAUTO 4pcs Universal 12V-24V Super Bright Red/White 18W 6-LED Warning Emergency Construction Surface Mount Beacon Flash Caution Strobe Light Bar

6 super bright LEDs, wide angle of visibility and high intensity strobe. Low power consumption, quick instant start-up time. 16 different flashing patterns, Last pattern memory recall.. Valid irradiation distance is much more longer than normal light. The high-intensity of flashing keeps your driving safe and free from traffic accident.. Ultra-thin waterproof design, high quality aluminum alloy casing + PC lens, anti-collision, dustproof, splash-proof / non-polluting, no noise. Better heat dissipation and unlimited installation possibilities.. Easy Installation: Red cable connect positive. Black cable connect negative. Yellow cable connection positive change flashing mode. (When the yellow line touches the red line, the mode will be changed. When the yellow line is released, the mode is fixed.). Universal for 12-24V all Car, Off road vehicle,ATVs,truck,engineering vehicles(excavator,treedozer,road roller, bulldozer,crane and mining truck etc.). For Special vehicle(fire engine,police cars,rescue vehicle,communication vehicle,military command vehicle) forklift,trains,boat,marine,bus,and tanks.