10-30V: Universal for 10-30V trailers, caravans, trucks, etc. High quality and durability. Long life and low power consumption. Expected life of 500,000 hours. Universal: Universal design and wide usage make this trailer tail light the most widely used in the market. Suitable for all models: vans, trucks, motorcycles, bicycles, cars, ATVs, etc. Used as a warning. Wide usage: used as tail light, brake light, turn signals, round LED reflector, Export LED reflector, motorcycle tail light, ATV reflector, universal LED reflector, bicycle tail light. Water and Shock Resistant: Waterproof, rugged and shock resistant design. Suitable for rainy days and harsh environments. The installation of this product improves road safety and highlights the personality. Makes your car cooler and safer.