1. Bicycle warning light mounted on the wheel hub.
2. The device can be mounted to any diameter using the included rubber spacers.
3. The diodes work in three modes: continuous, flashing, pulsating.
4. The back light color is BLUE .. I have the same fixed at my bike, which helps a lot in the safety and visibility for cars coming from the sides of the cyclist. Brand new goods. I recommend
5. Modes: fast, slow, normal
6. side switch to control or turn on / off
7. Waterproof, can work in rainy day. Easy to install and remove.
8. Not only for decoration, but also for warning.
- Size: diameter 3.7in/ 9.5cm, width 0.7in/ 1.7cm.
- Installation part: bike wheel hub.
- 7. 8 colored LEDs
- 3 LR44 batteries included