Usage Tips:VEHICLE SAFETY:LED Road Flares Emergency Lights, A safety Kit you must have for cars, trucks, boats, vehicles, marines or motorcycle emergencies. In case to keep safe when you in accident. A wonderful gift for friends and families put in their vehicles9 DIFFERENT EMERGENCY FLASHING MODES - Each LED Safety flare light has 9 flashing modes for different SOS rescue signals both for marine and road emergency use. They can also be used for recreational activities such as camping and hiking; It is also perfect for failed vehicle traffic warning, police road mark, surface float and maritime salvage identifier etc.RECHARGEABLE DESIGN:Why we choose it. You never need to worry no batteries in hand, batteries are ran out, dead batteries etc. It is rechargeable design with 650mah Li-battery inside, also one USB charging cable included. You can charge it even at home or in your car. Pls note indicator is red when charging, it'll be green when it's full charged. The most exllent is can standby more than one year.WATERPROOF, CRUSHPROOF & MAGNETIC: Each LED road Emergency Flare Light is coated with a waterproof material to ensure electronic safety.These roadside safety lights are made of super strong industrial engineering plastic PC and ABS. Our roadside lights can withstand 30 tons of vehicles. Solid neodymium magnets allow you to attach emergency flares to the side or back of your car or truck. Folding hook and flashlight mode are provided for hands-free use, working under the hood or replacement.AFTER-SALE SERVICE: Our emergency light is guaranteed to provide a safer road tripIf there is any issue about our product, please feel free to contact us. We will try our best to help you solve this problem. Fast response and action within 12 hours.