1. It will emit a charming halo with the rotation of the wheel;
2. Improve riding safety: It can improve the visibility in all directions at night or in bad weather, making you safer;
3. Waterproof and durable: IP55 waterproof, never worry about rainy and snowy weather;
4. Easy to install: No tools required, it only takes a few seconds to install or remove;
5. Suitable for American valve (Schrader Valve) and French valve (Presta Valve);
6. Automatic switch: it will automatically turn off when you stop riding or during the day;
(Note: Please unscrew the lamp before use, and put the battery in the order of positive and negative.)
SPECS
Material: PC+Zinc Alloy
Induction Switch: Light and vibration control
Endurance: 15hours
Waterproof: IP55
Battery: AG13 button battery