Lookatool 14 LED Motorcycle Cycling Bicycle Bike Wheel Signal Tire Spoke Light 30 Changes??Feature: 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 Size: 7*4*1.5cm Waterproof level: IPX5 Material: Plastics Package Content: 1X Spoke LightFeatur..