... , fishermen, outdoor campaigns or activities, etcUser-friendly, Portable, Maintenance-free, Environmental-friendlyAlternative charge: by Solar Power / ACLight sensing auto on & off / Manual ... with same power) with LONGER LIFESPAN ( around 50000 hours FunctionLighting,Radio,USB interface to Mobile chargerLED0.06W*9PCSPanel6V 100MARechargeable BatteryMaintenance-free ...