2Pcs 30 Patterns 32 LED Flashing Colorful Bicycle Bike Wheel Spoke Signal Light Features: 30 Colorful Patterns:Consists of totally 32pcs LEDs in both sides of the light with green,orange,blue and red color,provides you with 30 gorgeous and cool flower patterns which will alternate automatically every 3 seconds. Full wheel displays a beautiful image at a speed of 15km/h,a full image in 25km/h,and as a safety night light in10km/h. Energy Saving & Intelligent:Equipped with light sensor and movement sensor,this Rainbow Wheel Signal Light will only flash at action and in darkness and will not work and save power when not riding. Auto turn off 30 seconds after stop riding. Safe Wheel Lights:Not only does the Wheel Tire LED Light decorate your beloved bike and makes it stand out from others,but it can be as a safety warning night light to keep you safe at night. No problem even when you are riding slowly. Quick Installation:Easy to mount the bike tire light on any bike which is 20 inch and above within minutes. Suitable for ordinary bicycles,foldable bike,road bike,mountain bike,fixed gear bike and so on. Easy Operation:Powered by 3 AAA batteries(Not Included),just unpack the cover and insert them into the battery box,no other operation and no switch,and it will auto light up when simultaneously at action and in darkness. Specifications: Material: PC Powered By: 3Pcs AAA Batteries(Not Included) Bead Quantity: 32Pcs Compatible Bike: 20in And Above Bike(Wheel Wire Radius Above 16.5in) Lighting Pattern: About 30 Patterns (Auto Switch Over Time) Package Weight: 160g/0.35lbs Package Contents: 2Pcs 32LED Patterns Cycling Lights