Hey boaters and marina owners! If you need reliable, solar-powered lighting for docks, channels, or safety markers, this S4L Green Solar Flashing LED Beacon is exactly what you're looking for. This thing puts out a seriously bright flash that's visible from over half a nautical mile away, making it perfect for marking hazards, navigation buoys, marina entrances, or any other areas where boaters need warning after dark. It's completely solar-powered with a built-in rechargeable battery that gives you 100+ hours of runtime on a full charge - and the automated photocell switch means it turns on at dusk and off at dawn automatically. The housing is made from tough PC lens and aluminum base that can handle temperatures from -40°F to 140°F, so it'll keep working through pretty much any weather conditions. It uses 4 ultra-bright LEDs that last up to 100,000 hours (that's over 11 years of continuous use!). While the light itself doesn't come with mounting brackets, it's designed to work with standard post mounting or clamp brackets that you can easily source separately. It meets all the important safety standards like IALA, MUTCD, DOT and NFPA, so you know you're getting a professional-grade product. Whether you're a private dock owner or managing a commercial marina, this solar beacon provides that perfect combination of reliability, visibility, and hassle-free operation that makes waterway safety so much easier to maintain.