Bike Wheel Light Spoke Lights Colorful Wheel Lights Support APP DIY Wonderful Light Intelligent bicycle wheel light, DIY what you like to show on your bike. Supports Android 4.3 and iPhone4s above systems. Rugged,waterproof construction designed for daily use in all weather conditions. It shows clearest image in a speed of 8km/h-60km/h, no problem even when you are riding slowly. The APP can Monitor your riding speed, maximum speed and record your journey time and mileage.It consists of 192 ultra-bright RGB LEDs and lasts for 6-15 hours if fully charged. Fits for 26 Inches Bike Wheel or Above.Easy to install!