Vehicle Safety: LED road flare emergency light, a must-have safety kit for cars, trucks, boats, vehicles, marines or motorcycles in emergencies. Keep safe in case of an accident. A great gift for friends and family to put in their vehicles 9 Different Emergency Flashing Modes - Each LED safety flare has 9 flashing modes for different SOS rescue signals, which can be used for both marine emergency use and road emergency use. They can also be used for recreational activities such as camping and hiking; it is also very suitable for traffic warnings for broken-down vehicles, police road markings, surface buoys, and marine salvage identifiers, etc. Rechargeable Design: Why We Choose It. You never have to worry about not having batteries on hand, running out of batteries, dead batteries, etc. It adopts a rechargeable design with a built-in 650mah lithium battery, and it also comes with a USB charging cable. You can even charge it at home or in the car. Please note that the indicator light is red when charging and green when fully charged. The best thing is that it can standby for more than a year. Waterproof, Anti-Crushing and Magnetic: Each LED road emergency flare is coated with waterproof material to ensure electronic safety. These roadside safety lights are made of ultra-strong industrial engineering plastics PC and ABS. Our roadside lights can withstand 30-ton vehicles. Solid neodymium magnets allow you to attach the emergency lights to the side or back of your car or truck. Folding hook and flashlight mode are available for hands-free use, working under the hood, or replacement.