- High-capacity solar powered marine signal light with a 2200mAh battery for long-lasting illumination to mark your marine area through the night. - Energy-efficient operation: 3.7V nominal, charging current 60mA, discharge current 180mA, designed for low power consumption in marine environments. - All-weather reliability: IP65 rated for dust protection and protection against low-pressure water jets from any direction; operates in fog and temperatures from -10C to 50C. - High visibility: 8 high-intensity LEDs provide clear visibility from 0 to 2.0 km, supporting safe navigation. - Portable and quick to deploy: compact, portable design suitable for boats, docks, buoys, or shoreline marking. - Use scenarios: - Nighttime navigation marking for boats or harbors. - Signaling in fog or low visibility near docks and channels. - Emergency beacon or safety marker on deck, pier, or shore during storms or outages.