Specifications: 1.4 Color: Red, green, blue, colorful 2.3 Mode: Steady, slow flashing, quick flashing 3.Size : Fit for cycle hub with diameter from 19mm to 36mm 4.Battery: build-in charging lithium battery 5.Available : Lasting time about 12 hours 6. Charging method: USB rechargeable with charging cable How to use : One Button Control 1.Power on/off : Press the Power button for 3 seconds to change it. 2. Switch mode: single click ( Fast flash, slow flash, and steady light ). 3. Switch color: double click ( Red, green, blue, multicolor ). Features: 1. All functions are controlled by only one button on the light, very easy to choose the lighting mode you need. 4 type of light including blue,green,red etc,and 12 mode light including quick and slow flash, stead on ,etc. 2.It doesn's have requirement of speed so it will stay on even the wheel is not turning. 3. IP5 rating, superb performance, let you look cool and safe even in rainy days.(no soaking in water). 4. Easy to install with buckle design of the light , just one light and the entire wheel will be lighted when installed on the center of the wheel. 5. It is also suitable for child bike to provide children with a wonderful biking experience and safe biking at night. Package contains: 2 x Bicycle Wheel Hub Light 2 x USB cable 6 x Non-slip plug Note: 1.Use the included USB cable to charge the light. When charging, the indicator light is red ,when fully charged,the light turns green. 2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor. Please refer to the actual color. 3. If you have any problem, please let us know, and we will solve the problem and provide you with the best service ASAP.

• ♥ Fit : Suitable Hub Diameter 19mm ~36mm .And Perfect safety warning and decoration lights for almost all bikes including Road Bikes, Dirt Bikes, BMX, Hybrid Bikes, and even for children bikes.
• ♥ Use the included USB cable to charge the light. When charging, the indicator light is red ,when fully charged,the light turns green. Powered by built-in Li-Battery and rechargeable , only need about 3 hours to fully charged. The wheel light could work continuously for 12 hours, save you from changing batteries all the time.
• ♥ 3 Modes 4 Colors : Quick Flashing, Slow Flashing, Normally On；Green, red, blue and colorful. Just need one button to easily control the light.
• ♥ IPX 5 Waterproof - Means you're 100% covered in all types of severe weather. Do not worry about the lights do not shine, the bike wheel light is special designed for bike decoration and safety cycling.
• ♥ Easy installation:Simply fasten it on your bicycle tyre hub, then buckle up, no need for tools, and no compromise to gravity of bike, perfectly used to decorate your cycling bike.

♥ Fit : Suitable Hub Diameter 19mm ~36mm .And Perfect safety warning and decoration lights for almost all bikes including Road Bikes, Dirt Bikes, BMX, Hybrid Bikes, and even for children bikes.Bivan