Easy installation, it can be fixed on cycle spoke.
Consists of 32pcs colorful LEDs.
Flash 30 kinds of flower patterns which will be changed every few seconds.
Pattern is clear and completely when 20 km / hour speed up to.
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 3 AAA batteries (batteries no include), can work about 30 hours.，used for 20 inch or above
Size: 16.5 * 3 * 1.5cm/6.5 * 1.4 *0.7in
Package Weight: 79g / 2.8oz (Without
1 * LED Signal Light