There are two kinds of LED bicycle spoke light: switch with battery, the other is USB rechargeable. It has 30 different kinds of patterns, each pattern will be changed every 4 seconds. The patterns will become complete when speed reaching 13 mile/h. It can be seen from all direction at night because of the 14pcs double-side lamp. The bike wheel lights controlled by motion sensor & manual, After the bike spoke lights are installed, press “on/off” button, enter auto mode. At this time, light glows when bike moves, turns off after stop moving for about 30 seconds. You can also press button again to turn off the bicycle spoke lights immediately. energy saving and convenient! IPX5 waterproof design, Feel free to use on rainy days, the light is fully waterproof, but it can not be soaked in waters