A108 Bicycle Decor Waterproof Flower Drum Lamp Dazzle Warning Lamp, Size: 9.5*1.7cm

1. Battery model: 3 LR44 batteries
2. Give 6 batteries
3. Installation diameter: 19-36mm
4. Battery life: about 12 hours
5. Waterproofing IP55 level
6. Size: 9.5cm in diameter and 1.7cm in width
7. Installation: fix the wheel hub
8. Features: three flashing modes, slow flashing, quick flashing and constant flashing, are controlled by the switch on the edge of the product