【2 Types of Lighting Effects】Our 15LED trailer tail lights have 2 types of lighting effects, constant light mode, dynamic flowing water effect, you can use them as turn signals or daytime running lights. The tail lights are 10 inches long, installed in your car, very high quality and beautiful, make your car more visible when driving at night, ensure your safety when driving at night at the same time, but also can perfectly decorate your car. 【Up to 50,000 Hours Lifespan】The trailer tail light is designed with a hardened housing, which will not fade or crack even when exposed to sunlight for a long time. Reinforced PC lens, IP67 waterproof ring insulation protection design, combined with plastic cover to seal the light body and glue to seal the wires, it can work normally even in rainy days. 【10 Minutes to Install LEDs】Car tail light, the black line is the negative pole, the red line is the constant light effect, the green line is the dynamic flowing water effect. Each light will have