LED dynamo gift flashlight present flashlight

Environmental protection and energy saving hand-charging flashlight description: 1. Environmental protection and energy saving, never need dry-cell batteries, use the Faraday Principle of Electromagnetic mechanics, said mechanical energy to electrical energy, and will not only save energy, but also failed to have the shortcomings of replacing the batteries and battery scrap polluting the environment. LED as a light-emitting devices, with the advantages of no need to replace and long life, brightness of white and soft. 2. Regulate the use of optical beam convex lens, condenser and strong, we can see a long distance; shell can produce a variety of colors 3. The first time to use, do not open the power switch and insisted hand shaking to ensure that five minutes for a good performance, usually 1 minute hand shaking can light-emitting about 3-10 minutes. Continue to shake the sustainable LED lighting. 4. It is widely used in homes, cars, yachts, camping, rainy day, emergency lighting and business promotional gifts; It can also serve as experimental physics teaching supplies, exercise arm / wrist dexterity, such as sporting goods, such as health care. 5. Because of the products magnetism, please stay away from television, computers, mobile phones, in order to avoid unnecessary loss. Length:13cm 1pcs super bright LED one copper coils 42.5*16*42.5cm/100pcs;12/10kg