SYSAI No Battery Bike Taillight, Energy Harvesting Dynamo Lighting System, Waterproof Dustproof
- NO more USB charging!No more battery!Long lasting time!Eco-friendly!With using no friction energy harvesting Dynamo!.
- What you got is not just a tail light, but a smart, no trouble for maintenance and nearly no friction solution for your riding. Eco-friendly is the spirit we share with you for free….
- You found out that you forgot to charge your battery light when you suit up for riding? You need to charge your USB light frequently? You realized that how stupid you are and how dangerous it can be since you forgot to turn on your light while riding? You feel guilty while you throw away the batteries?.
- One time installation, forever use!No more charging!No more battery replacement!No more ran out of battery while riding!No more battery replacement!Turn On/ Off automatically.