Stay safe and charged with this Dynamo flashlight and charger. Features a 3 watt super bright LED flashlight, a flash and SOS function, and cell phone charger. Charger adapter included. Built-in high-efficiency boost circuit that is suitable for charging most mobile phones, including the iPhone and most other smartphones. Crank the handle according to instructions to generate power. Crank the handle for 60 seconds for 7 minutes of light or 5 minutes of cell phone charge. When fully charged the light lasts for two hours.