1. High quality 6 LED emergency strobe light for car and truck; Material: Aluminum PCB + LED bulbs; Universal compatibility with all vehicles, SUVs and trucks powered by 12V to 24V DC power. 2. High quality aluminum alloy shell, excellent heat dissipation. 18 flashing patterns, brighter and more efficient than standard LED strobes, even visible in daytime. 3. Ultra-thin 6 LED emergency warning light with 18 flashing patterns and memory function. Each strobe mode creates different lighting effects to convey different messages. 4. Dustproof and splashproof, no pollution, no noise, no electronic interference, easy to install and durable. Low consumption, quick start. Lifespan up to 50,000 hours. Improves night driving safety. 5. Connection: Black for negative, red for positive, and yellow for variable light.