Singlecolor illumination provides a clear, visible signal to alert nearby vessels and improve safety while helping with fishing net positioning and increasing efficiency during night fishing with dependable lighting technology. Practical design features automatic daylight shutdown and activation in darkness, delivering an energysaving solution that is easy to use and includes an intelligent strobe function for enhanced visibility. Waterproof construction resists water intrusion, enabling reliable use in wet conditions and challenging aquatic environments. Broad scope of application includes marine rescue, field exploration, and night fishing, delivering visibility signals that enhance safety and effectiveness in lowlight settings. Function and performance: offers steady singlecolor illumination with flashing alerts and an intelligent strobe, optimized for night operations and signaling. Compatibility and use conditions: suitable for marine activities and wet environments where clear signaling and net positioning support are needed. Use scenarios: Night fishing on open water: use the steady light to position nets and alert nearby vessels, improving safety and efficiency. Marine rescue or search operations after dusk: rely on visibility signaling to coordinate and locate individuals or targets. Field exploration near coastal or wet areas: maintain clear visibility and reliable signaling in lowlight, rainy, or splashprone conditions.