Features: The navigation light for boats has a heavy duty heavy duty clip that can be clipped onto backpacks, pockets, belts, running gears, armbands Easy to use: each security strobe light is equipped with a mini screwdriver and an adjustable magic bracelet, which is convenient for you to install and remove. Waterproof: LED security light suitable for outdoor use outdoor, widely used in various boats, pontoons, kayaks, dog collars, strollers Quantity: you will receive three boat trailer lights, which can meet your different needs 3 Setting modes: The boat signal light has three modes: steady, fast strobe and slow flash, which is convenient and user-friendly