16 LED DIY Bicycle Light Colorful Bike Wheel Spoke Light Cycling Tire Signal Lamp

Specifications:
Easy installation, it can be fixed on cycle spoke.
Consists of 16pcs colorful LEDs.
Flash 30 kinds of flower patterns which will be changed every few seconds.
Pattern is clear and completely when speed up to 20 km / hour.
Equipped with light sensor and movement sensor, flash only at night and moving, it will not work and save power
when not running.
Operated by 3pcs AAA batteries(not included), can work about 15-20 hours.

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