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Featured with 30 patterns with green, orange, blue and red color, our bike wheel lights can enhance your safety while cycling at night as well as make you stand out with this fantastic and coolest flashing light! No other operation, just insert the battery and it will flash when it\'s simultaneously at action and in darkness. Then auto turn off 30 seconds after stop riding, more energy saving. Suitable for ordinary bicycles, foldable bike, and any other 20in and above bikes.

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.