LED bicycle light is a kind of LED light used in bike. It makes riders visible to others in dark condition. Furthermore, it has illumination effects for rider themselves. In a word, it is a perfect lighting tool to increase rider’s conspicuity and to enhance the ability of the rider to illuminating the way forward. In the design of LED bicycle light, both reflectors and active lights are used to make the rider more visible, and many jurisdictions require one or more types of light to be fitted to bikes ridden at night. The most common style is white light in the front, red lights in the back, with orange reflectors on the side. Many types of light sources are used for bicycle lights. But this kind generally adopts LED as light source. It is brighter, low power consumption and long life span.