Decathlon | Motion Light - flashing light for runners, no battery required

Looking for a light that is always ready, in order to stay visible whenrunning? With 4 flashing LEDs and a dynamo system, the Motion Light lights upat each stride, with no need for batteries! **Key benefits:** * Visibility: Stay visible to drivers at night with 4 flashing red LEDs. * Autonomy: Your light is always ready: the LEDs need no batteries to work.**Technical information:**A lamp with no batteries? How does that work?: Do you understand the dynamoprinciple on a bike? The Motion Light works in the same way but through anoscillating movement: at each stride, the magnet moves into the coil andgenerates the electricity which lights the 4 red LEDs. The result? A simpleand practical running light. No need for batteries or even an On/Off button:just wear it and it will light up at each stride! ; Life span and autonomy,this is a light that you will have for a while:: Thanks to its dynamo system,the Motion Light does not need any batteries. A plus for the environment...and for your pocket: We have tested this light in our laboratories to ensurethat it will still work after 10 million oscillations, i.e. 10 millionstrides. 10 million strides. Sound good? If you consider that you travel 1metre per stride, that means a lifetime of over 10,000 km. If you run 1,000 kmper year, that means 10 years. Ready? ; What lies behind the design of theMotion Light?: The Motion Light clip has been designed to be attached to thinrunning clothes: on a loop, pocket, belt, etc. And to give you even morechoice, the light comes with an adjustable elastic armband. We have chosen redLEDs because it is a colour we associated with break lights and slowing down.The light can be seen from 100 m, which gives a car driving in urban areasenough time to stop. It weighs only 50 g and comes in a transparent case! ;Our design team spills the beans on the development of the Motion Light: Theorigins of this product can be found in a simple desire: "we wanted toinnovate to remove electronic limitations when running." It then took a teamof 3 people, 18 months of development, endless discussions with runners and acommitment: "we were brave enough to say: we are going to make a battery-freeproduct." And after a great number of prototypes, we are proud to offer thissimple and practical light. "Our idea was that you would run and we wouldhandle all the rest." ; A final tip before setting out?: Gilles, productmanager and Lucie, designer, have some tips for running at night: "It isimportant to be visible. Especially when running at night in places where youshare the road with vehicles a lot bigger than you! In the end, you need to bevisible more than to see. Just as you put your shoes on before running, don'tforget your light." And for even greater safety? "Ideally, don't run alone" :)