Vehicle Safety: LED roadside warning lights are essential safety equipment for emergencies in cars, trucks, boats, vehicles, ships, or motorcycles. They ensure your safety in case of an accident. They also make excellent gifts for friends and family, suitable for placing in their vehicles.Used to send various SOS distress signals, they are suitable for maritime and road emergencies. They can also be used for recreational activities such as camping and hiking; in addition, they are ideal for use as vehicle traffic warnings, road signs, surface buoys, and marine salvage identification markers.Waterproof, Pressure-Resistant, and Magnetic: Each LED roadside emergency signal light has a waterproof coating to ensure electronic safety. These roadside safety lights are made of ultra-strong industrial engineering plastics PC and ABS. Our roadside lights can withstand the weight of a 3-ton vehicle. Robust neodymium magnets allow you to attach the emergency signal lights to the side or back of a car or truck. Folding hooks and a flashlight mode free your hands for use when working under the hood or changing parts.