1Enhanced Visibility: The LED Marker Lights significantly improve safety performance during nighttime driving, especially useful in foggy conditions or when it's raining or snowing. 2Waterproof: These lights are specifically designed to withstand harsh weather conditions, even prolonged heavy rain or strong winds, moisture proof and shockproof, ensuring long lasting durability. 3Improve Driving Safety: The LED Marker Lights effectively increase the visibility of your vehicle, alerting other drivers and pedestrians to its presence and location. 4Wide Applications: These LED Marker Lights are suitable for trucks, RVs, and yachts. They can be used in various settings and provide reliable performance in different environments. 5Easy Installation: While some drilling may be required for installation, these lights come with built in soft pads that protect the mounting surface and prevent water or moisture intrusion.