Descriptions Main Features: ● 14 bright LED lights can show 28 lights effect by prism reflecting, cool and warning other people ● Auto flashing 30 different patterns and changing every 4s, long press switch button 2s to turn on / off the light ● Water-resistant body, shining even in rainy dark night, keeping you safe ● Easy installation, just remove the nuts and fix it into the wheel Parameter: Material: ABS + PC body Charging time: 1h Power: 500mA 14500 Li-ion battery ( included in product) Working time: about 10h Specification General Type: Spoke Light Material: ABS,PC Placement: Spoke Suitable for: Fixed Gear Bicycle,Mountain Bicycle,Road Bike,Touring Bicycle Features: Easy to Install,Superbright Power Supply: USB Dimensions and Weight Product weight: 0.0590 kg Package weight: 0.1110 kg Package Contents Package Contents: 1 x Bike Spoke Light