3D Conical Shape: Our semi truck watermelon lights feature a distinct 3D conical shape, adding a unique and eye - catching look to your vehicle. Two Modes: With two lighting modes of constant light and flashing, our water melon lights offer great flexibility. The constant light mode provides consistent illumination for better visibility during normal driving, while the flashing mode can attract more attention in low - light or emergency situations, ensuring your vehicle's safety on the road. Multifunctional Lighting: These lights serve multiple functions as side marker lights, gap lights, and tail lights. This multifunctionality makes them a practical addition to your vehicle. You don't need to install multiple separate lights, saving you both cost and installation time. Easy Installation: The design allows for simple and quick attachment to your vehicle, whether it's a semi - trailer or a regular car. Even if you're not a professional mechanic, you can easily get them set up, getting your vehicle equipped with these useful lights in no time. Waterproof and Dustproof : Made of waterproof and dustproof plastic material, our semi truck lights are built to last. They can withstand various weather conditions and road - side dust, ensuring long - term reliable performance.