Aurnoc 3 Flash Modes 18 LED Emergency Vehicle Strobe Lights for Front Grille / Deck Available in White /Red / Blue / Amber / Red& Blue / Red & Amber / Blue& White (White) Super bright LEDs. Interchangeable/Compatible with: All automobiles and devices equipped with a 12V power source. Extremely low power consumption rate. Each light block (3 LED light bulbs) is 1.75" (inches) long. Completely waterproof