3-pack of hazard warning lights: The 3-pack of LED hazard warning lights has the effect of flashing the high beam and the target is obvious, replacing the traditional warning signs. Visible from 100 meters in the daytime , 900 meters at night and 1600meters in water. Premium Material: The LED flares are made of durable eco-friendly PVC material, TPE thermoplastic elastic plastic subcontractor, anti-rolling, waterproof, dustproof, durableto oil and corrosion Convenient to use: hook and strong magnetic base, it can be attached to the roof and rear of the car for warning, and also can be placed on the ground for warning, to warn other drivers on the road to slow down and approachsafely. Car emergency light kit: Pack of 3 emergency lights with storage bag, screwdriver. Powered by 3 AAA batteries (BATTERIES NOT INCLUDED) Multiple applications: LED flares are suitable for recovery car traffic warning, police roadway planning signs, surface buoys and marine rescue signs are usedto identify emergency vehicles, such as ambulances and helicopter landing zones, Emergency or temporary runway marking, Camping or hiking route sign, Field lighting.