and high quality This bike light combo will keep you safe with this dynamo lights set that can be seen from a . The headlight and the read light is fitted to a dynamo which gives the lights all the power they need to work so no need for batteries. Comes complete with wires to fit.The light catch any drivers attention. Lights that help you see the road and let other road users see you.Rear light can be fixed to bike or to rear . Suitable for all bikes.The Lights Are Powered A Dynamo That Fixes To Your Bicycle Wheel So There Is No Need For Batteries. Installation: 1. First install the lamp holder on the bike, then fix the lamp on the lamp holder. 2. Mount the of the electric wheel and the motor wheel 3. Compare the position of the electric wheel to that the motor wheel can rub the tire. 4. Fix the electric motor wheel on the front fork. Be to screw the fast wire to the front fork. 5. Take half of the light wires from the taillights, install the lights and the electric wheels. The lights and the electric wheels have two buttons. You can insert the lights into the lights while holding around. (LED lamp is directly fixed on the copper wire) 6. Press the lamp to press it onto the wheel when you need it. By matching the generator head of the generator lamp with the wheel, it is possible to frictionally drive the generator to generate electricity. If the light is not lit, check the following questions: 1. Is the light cable installed? 2. There is a switch on the motor light, and the left and right are the adjustment. 3. Is the wrench that pulls the electric wheel rubbing against the tire? 4. Is the bracket of the electric wheel rusted? 5. Is the front fork metal? 6. Is the light wire installed accurately? Material: Aluminum + plastic Dynamo: 6V 3W Color: Silver + black Package includes: 1set * Bicycle Dynamo Lights(other accessories demo in the is not included) Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.