Dynamo LED flashlight generates power by winding the handle of the LED flashlight. It doesn't need external batteries and therefore does not pollute the environment. With the features of novelty, small, light and easy to operate, it is portable. Dynamo LED flashlight is built in DC standard input and output socket, and can charge emergently for mobile phone, MP3, and other digital devices with connection cable. It can be used as spotlight or glow caution light. The unique spotlight system is good for short and middle range distance lighting. Furthermore, dynamo LED flashlight can be of benefit to your palm, arm and shoulder stretching and blood circulation, as well as let your hands relax and brain clever. It is also characterized by long lifespan, low consumption, waterproof, energy-saving, low noise, high efficiency, etc. This kind of LED flashlight is widely used in vehicle, tourism, camping, mine and other emergency situation.