- High-capacity battery: 2200mAh solar-powered marine signal light provides long-lasting illumination to reliably mark your marine area through the night. - Powerful LED visibility: 8 high-intensity LEDs deliver clear visibility from 0 to 2.0 km, serving as a dependable navigational aid for safe maritime operations. - Efficient operation: designed for low voltage 3.7V with a charging current of 60 mA and a discharge current of 180 mA, promoting energy-efficient performance in marine environments. - Weather-ready: IP65 rated, dust-tight and protected against low-pressure water from any direction; suitable for foggy conditions and operating temperatures from -10 C to 50 C. - Use scenarios: - Mark channels or hazards on night passages for small boats, sailboats, or yachts. - Serve as a portable beacon on a dinghy, kayak, or near buoys and docks to delineate areas. - Provide signaling in fog or low-visibility conditions near harbor entrances or channels.