Features: ﹡Emergency lighting .perfect for travel /home use /outdoor action ﹡Built-in NI-MH battery. ﹡Hand crank generator; No electricity needed for recharging. ﹡With 3 super bright white LEDs. ﹡Winding the flashlight for 1 minute, it can provide up to 30 minutes continuous bright light. ﹡No external batteries needed, portable and environmental-friendly. ﹡Water resistant, energy saving. ﹡No maintenance required, no bulb and battery needed to replace ﹡Comply with FCC &CE & ROHS