Bike Bicycle Light Set USB Rechargeable LED Waterproof Super Bright Zoom Headlight Rear Light Bike L

built-in high-quality battery, USB interface, charging device, simple and convenient, eliminating the need to replace the rechargeable battery unplug the batteryeasy to change light color, telescopic change lengthZoom : stretch zoomColour:BlackMaterial:Aluminum alloyAvailable distance: 100-200mSize:9.3x2.4cmPackage Contents:1* Bicycle lightsNote: This product does not contain USB data cableOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.