Specification:BrandXANESModelWL09MaterialPCFlashRed, green, blue, pink, yellow, white total 15 kinds of flash modes + 18 kinds of patternLED7 pcs RGB led, one LED can change seven kinds of color as IC chip requestedBatteryUSB rechargeable battery, 3.7V 300mAhSize85 x 18mm / 3.35 x 0.71inchWeight41gFeatures:No need any tool just by hand, easy installation and quick release.The light can use for dimeter of the hub within 30mm.With three kinds of thickness rubber pad supplied in packing.Package Included:1 xWheel light1 x USB cable3 x Rubber pad