HQRP 36 LEDs Strobe Light Panels compatible with any vehicle having a 12 Volt DC Power Source! Easy Installation, can be mounted on many locations. Three Different Pattern Selections: -Strobe Pattern A: Alternating fast strobe. -Strobe Pattern B: Alternating single strobe. -Strobe Pattern C: Simultaneous strobe. Perfect Size For Windshield, Dash, Deck, Headliner or Front Grille, Extremely Low Current Consumption! It Can Provide You a Maximum Visibility, And Increase Your Vehicle Out-looking Style! The right to operate strobe lights on a vehicle is controlled by Federal and State laws. Please check applicable laws before purchasing or using the strobe lights on your vehicle.