Features:
1) Environmentally friendly design
2) Never needs battery
3) Do not need to replace the bulb
4) Electromagnetism Faraday principle: Turns mechanical energy to electric power
5) Double coil, LED adopted as illuminator,
6) Sealed completely: Waterproof, can float on water surface
7) Switch is sealed in the glass tube, filled with sloth air, which ensures the limitless Usage life
8) High density watertightness
9) Simple hand-electricizing: Just shake about one minute, it can light about 30 Minutes, continuing shaking to keep on lighting
10) Useful for tripping, driving and camping
11) Color: Clear white (can be made according to customers' requests)