Auto-sensing switch control
Equipped with light sensor and movement sensor,flash only at night and action
It will not work and save power when not riding
Waterproof level: IPX5
1X Spoke Light
100% brand new and high quality.
It can flash 30 different patterns,and the patterns will be changed every 4 seconds.
Patterns is clear and completely when speed up to 20kms/hr.
The product is consist of 14 pcs colorful LEDs.
Battery: Operated by 1x AAA(NOT included),could be max to 12hrs when it works.