Efficient operation: this warning light runs at a low voltage of 3.7V with a charging current of 60 mA and a discharge current of 180 mA, delivering energy‑efficient performance in marine environments. Weatherproof build: IP65 rated, fully protected against dust ingress and low‑pressure water jets from any direction; suitable for foggy conditions and operating temperatures from -10 C to 50 C. High-capacity battery: 2200 mAh battery capacity; solar-powered marine signal light provides long-lasting illumination to reliably mark your area through the night. Powerful LED visibility: 8 high‑intensity LEDs; visible range from 0 to 2.0 km; a reliable navigational aid for safe maritime operations. Compact and reliable for marine use: designed for outdoor, saltwater environments with a practical form factor that supports portable use in various marine settings. Use scenarios: - Channel entrance marker for night navigation in harbors. - Foggy coastal areas to delineate safe passage and mooring zones. - Temporary warning light for dredging, construction, or maintenance near piers or moorings.