Red and White 18 X LED Emergency Vehicle Strobe Lights for Front Grille Deck Warning Light Super bright LEDs. Interchangeable/Compatible with: All automobiles and devices equipped with a 12V power source. Extremely low power consumption rate. Each light block (9 LED light bulbs) is Dimension of light bar: 7-1/8 W x 1-1/4 H x 1-3/4 D Completely waterproof.