MODES (3 TYPES):1.Flash Mode A- Light blocks 1， 2， flashes rapidly for 8 times， followed by light blocks 3， 4， flashing rapidly for 8 times. Repeats continuously.2.Flash Mode B- Light blocks 1， 2， flashes once， followed by light blocks 3， 4， flashing once.Repeats continuously.3.Flash Mode C- All 4 light blocks flash once simultaneously with a brief pause between each flash. Repeats continuously.Features:1. Extremely low power consumption rate.2. Super bright LEDs.3. 30，000+ hours of lifespan.4. Perfect for for front grille and interior.5.Color: Blue..Package including:4 x light bocks with brackets4 x 8 feet extension wires1 x set of mounting clips and screws1 x control box with 3 flash modes