Nilight(TM) 54 x Ultra Bright Blue LED Emergency Warning Use Flashing Strobe Lights Bar For Windshield Dash Grille High quality
Key Features:Interchangeable / Compatible with: All automobiles and devices equipped with a 12V power source.Flash Mode A- Light blocks 1, 2, & 3 flashes rapidly for 8 times, followed by light blocks 4, 5, & 6 flashing rapidly for 8times. 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 windshield.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 brackets6 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 operate