[Product Information]

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• *One set suitable for windshield/headliner placement and the other suitable for grille placement(See product images).
• *Easy to install， Just need to wire the positive ( + ) and ground ( - ) to a 12V power source and connect each LED bar to the controller.
• *High Quality， Professional Grade products， weatherproof and long lifespan over 50，000 hours.
• *Suitable for emergency workers， postal service， construction vehicle，security， law enforcement， hazard warning， towing， and emergency needs， etc.
• *There are 3 flashing modes: A:Flash one kind of color 8 times and switches off to the other; B:Flash one kind of color once and cycle between the two; C:All LEDs flash several times.