LED Waterproof Bike Wheel Light,Bicycle Spokes,Rims and Tires Light, Easier to Install ,Sensor Auto On/Off,USB Rechargeable, 7 Color Switching, Cool Bike Adult or Kids Accessories,Cycling Gifts for Girl or Boy.

【FRESNEL OPTICAL DESIGN】The Fresnel optical design is applied to this bike tire light, and it makes the light illuminate whole tire rim brightly but softly to protect your eyes.

【MULTIPLE LIGHT MODES】After 2-second pressing the switch to turn on the bike light, you can click the switch to choose preferred color from 7 colors and each color has 2 modes - staying bright and flash.

The last mode is 7-color auto-changing.

【SMART VIBRATION SENSOR】Whenever daytime or night, after turn on the bike light for wheels manually, the motion sensor can detect riding state/vibration to turn the light on automatically or turn off after staying motionless for 30 seconds.

Please kindly note that you can turn the smart wheel light off manually if you do not want it be on accidentally.

【EASY TO INSTALL & NO ADDITIONAL RESISTANCE】Just need few steps to put it on the bicycle hub and no tool needed.

The light is placed in the center of the wheel so it will not affect your safe cycling.

【WATERPROOF & USB RECHARGEABLE】The bike light for wheels is IP55 waterproof and dustproof.

Built-in 300mAh Polymer Lithium battery can be charged through USB cable.

Considering its waterproof grade, the USB charging port is inside the clasp.

Remove the wheel light first when it needs to be recharged.