1. Easy to install
2. Using high-strength waterproof and reflective materials
3. Front light: 12x8x8cm
4. Tail light: 4.5x2.4x2.4cm
5. Generator output: 12v 6w
6. Just press the generator light on the front fork of your bicycle or on the rear frame of the bicycle
7. When you need to use it press the lamp on the wheel
8. The generator head of the generator lamp and the wheel can be rubbed to drive the generator to generate electricity
9. Note: The headlight housing and generator housing must be in reliable contact with the frame