1.Solar Powered : Equipped with high quality solar panel and builtin high capacity battery, this strobe lights for trucks can automatically turn on the light at dusk and turn off at dawn to save energy. 2.Intelligent Warning Strong Magnet : The emergency lights for vehicles have intelligent warning effect. When driving a car, motorcycle or bicycle at night, the solar light will automatically light up to prevent being tailgated. The solar warning light has a heavyduty magnetic base, allowing it to stick to your vehicle. 3.Super Visibility High Brightness: Made with a durable ABS housing, the solar operated led strobe lights are crystal clear for maximum brightness, ensuring a more effective warning to other vehicles. Great for foggy, rainy, snowy and muddy windy seasons and emergencies, with durable and bright light. 4. Sturdy: The battery powered flashing lights for vehicles the highest protection level of IP67 waterproof. Resistant to dust, mud, shock, rain and snow. No more fear of torrential rain. The solar emergency light bar has a much longer lifespan compared to traditional lighting solutions.