7 COLORS & 3 LIGHTING MODES: Just press the button and choose the color you want: Red, Blue, Green, Purple, Yellow, Cyan-blue or White. You can choose steady mode, automatically color change mode or pattern shuffle mode. Riding with our 20 LED high bright bicycle lights never been so fun. NO MORE BATTERY PURCHASES: Just use our upgraded USB rechargeable Li-ion battery. Super fast charging, super long working! Simply recharge it with connecting to notebook, computer, or other USB power source. 3 years warranty! STRING LIGHTS PROTECTION & 360* VISABILITY: We designed our bike rim lights in strong silicone tube cover. We did it super strong and waterproof, so you can use it in any weather and any time of year. Also, the silicone tube makes you visible from all angles and sides. It’s never been so safety! MAKE YOUR LOVED ONES HAPPY: Our premium bike wheel lights are perfect gift for kids and adults, men and women, boys and girls. (Fits most of the bikes from 12’’ toddler bikes to 29’’ adult bicycle with standard spokes and can be installed on nearly all bicycles, such as foldable bike, road bike, mountain bike and so on. No tools needed. ). RISK-FREE SHOPPING: Customer satisfaction is our motto to ensure you an enjoyable hassle-free shopping experience. That's why we are always keen to hear from you 24/7. We are promised to provide you 100% satisfaction Guarantee.