Partsam 4pcs 4 LED Car Truck Strobe Warning Flash Light White/Amber for Grille Deck Dash All automobiles and devices equipped with a 12 or 24 Volt DC power source.Universal fit for any cars, SUVs, or trucks 4pcs 4 LED Car Truck Emergency Light Bar Hazard Strobe Warning Amber/White Each unit consists of 4 high intensity LEDs with optic lenses. No pollution, no noise, no electronic interference, more efficient. Each unit consists of 4 high intensity LEDs with optic lenses.