Koolertron 54 LED Emergency Vehicle Strobe Lights/Lightbars Deck Dash Grille
Key Features:Interchangeable / Compatible with: All automobiles and devices equipped with a12Vpower source.Flash Mode A- Light blocks 1, 2, & 3 flashes rapidly for 8 times, followed by  light blocks 4, 5, & 6 flashing rapidly for 8 times. Repeats continuously.Flash Mode B- Light blocks 1, 2, & 3 flashes once, followed by light blocks 4,  5, & 6 flashing once. Repeats continuously.Flash Mode C- All 6 light blocks flash once simultaneously with a brief pause  between each flash. Repeats continuously.Extremely low power consumption rate.Super bright LEDs.30,000+ hours of lifespan.Each light block (9 LED light bulbs) is 1.75" (inches) long.Completely waterproof.Perfect for for front grille and interior.Easy installation process. Each LED light bar would be connected to an 8 feet  long extension wire. Each extension wire will then be connected on to the  controller. Wire the controller's black (- ground) and red (+ power) to the  power source accordingly. Mount LED light blocks to desired location.What is in the package:6 x light bocks with brackets yellow8 x 8 feet extension wires1 x set of mounting clips and screws1 x control box with 3 flash modesNo manual but it's easy to operateKindly Reminder: