Feature:<br> <br> <br> 1. Waterproof material can work normally even in rain or humid fog.<br> <br> <br> 2. Suitable for a variety of models, convenient and fashionable;<br> <br> <br> 3. Adding two magnets to the magnet is safer to rideWe only provide one magnet<br> <br> <br> 4. No battery required, no need to charge, no switch button, only light when riding, continuous battery life;<br> Specifications:<br> Specification:<br> Color: Black<br> Lamp beads: bullet head highlight lamp beads<br> Charging: no need to charge<br> Material: high quality engineering plastic<br> Net weight: 80g size: 55.5mm*35.5mm*28mm<br> Battery life: your physical strength determines battery life<br> Fork range: 16-22mm suitable for most models<br> Waterproof rating: IPX-4<br> Installation location: left of bicycle<br> Advanced optical system, both near and far<br> City and field cycling through<br> Continuous battery life, no need to charge or battery