product informationMaterial: LED lamp beads, ABS engineering plastics, components, etc. Battery: 1 CR2032 (3V) button battery Circuit: Switch carFeatures* No need to change the line, just follow the line on the wheel; * One wheel can have one more card, the combination of blue and red is even more cool
* Switch design, from bright to bright * Both sides are bright, which greatly improves the safety of driving; * Good waterproof performance.s
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