?Package and Prompt Customer Service?Includes 2 bike wheel lights, 48 axle buckles and installation instructions (AA batteries not included). We have a 12 months warranty, free technical support. If you still have any issues during installation, defective items, replacements or refund, please contact our customer service e-mail a prompt solution, we will get it resolved within 24 hours. Please rest assured that we always get your back whenever you are in need of assistance. ?Easy to install Clean the hub, Insert the battery into the battery box correctly, put it into the battery containers according to the arrow displayed on the battery box, and tighten it. ?place the battery container mount against the center hub of the wheel and tighten it with the zip ties ?wrap the string of lights a few times around the spoke, and then use the buckles to fix it on the wheel spoke. Note: It can create different special effects based on your imagination. ?IP65 Waterproof Bike Tire Lights?Bike lights front and back are waterproof, with a waterproof silicone ring on the battery compartment, so the lights will not malfunction due to bumps on the bike or rain, ensuring a safe ride. The light tube is 2m/80inches long and can be mounted on any wheel from 12in-29in diameter, suitable for most bikes, mountain bikes, road bikes, kids bikes, adult bike and etc. ?APP Controlled Led Bike Lights?Download the APP "illumi home" (Available on Google Play and iOS App Store) first. There are 5 modes in the APP - White Light Mode, Color Mode, Music Mode, Scene Mode, and DIY Mode. You can change colors, brightness and turn on/off the bike wheel lights. The control distance is within 100ft via bluetooth. Also, if your phone isn't on your side, you can use the control box to manage your bike wheel lights. ?Brightest Multicolor Bike Wheel Lights ?The bike light comes with 20 premium LEDs and APP. You can choose from 7 colors and 29 lighting modes. Set to music mode, according to the melody of the music, the light color will change and respond to it while riding. The lights are visible from both sides of the wheel. You will attract the attention of drivers and pedestrians easily. Note: Twist the cap to open it, and put AA batteries in the battery box.International Protection Rating: IPX5. Auto Part Position: Center. Number of settings: 7. Mounting Type: Spoke Mount. Water Resistance Level: Waterproof. Power Source: Battery Powered. Material: Silicone. Brand: Fussion. Color: Multicolor. Date First Available: October 23, 2021. Best Sellers Rank: #142,360 in Sports & Outdoors. Customer Reviews: 3.7 out of 5 stars 65 ratings 3.7 out of 5 stars. : B09CYNMP1Y. Size: ?2 Wheels. Part Number: ?TGL0030. Manufacturer: ?Fussion. Material: ?Silicone. Color: ?Multicolor. Brand Name: ?Fussion. Package Weight: ?0.2 Kilograms. Item Package Dimensions L x W x H: ?4.49 x 3.66 x 2.83 inches.