Signswise Rechargeable Bike Bicycle Wheel Light 220Lumen 96 RGB LEDs IPX6 Waterproof For 20 Inches And Above Bike Wheel YQ8005 220 Lumens and 96 pcs RGB full color LEDs. Easy installation and removal. Fit for 20 inch and above bike wheel. With rechargeable 18650 battery with charger(release you from the difficulty of searching charger), can last 15 hours. High-definition dual side display, 360 degree visibility,secure night riding. FREE SHIPPING from China via DHL, usually takes about 5-10 business days for the delivery