Activates High current relay when High Beams are turned on, used to add large light bars and driving lights without having to install additional switches in the dash. Plugs directly into Polaris Pulse System for switch lighting and keyed on ignition. Made in the USA!Use the high beam headlight button on the left side of the steering wheel to control the headlights: Press and quickly release to flash high beam headlights. It combines gallium nitride (GaN) transistors in a Marx topology with an inductive adder, achieving nanosecond-scale switching speeds and high-power efficiency. Compared to other solutions. This LED Projector is made of high-quality materials to serve you for years to come.