This kind of light will make you visible on the road at dark.Features:16pcs LED lights with 6 group colors can flash 42 kinds of flower patterns one by one.High-brightness LED， it can make you a beautiful and safe riding at night.Fix on spokes of bike with three rotary bolts.Detachable and movable light clip.Equipped with light sensor and movement sensor， flash only at night and moving， it will not work and save power when it is not running.Specifications:Material: PCLight Color: ColorfulLight Number: 16 LED lightsWaterproof: IP65Battery: 3 * AAA batteries(not included)Working Hour: 30 hoursItem Size(L * W): 16 * 2.5cm / 6.3 * 1.1inItem Weight: 56g / 1.96ozPackage Size: 23 * 13.7 * 3cm / 9.1 * 5.4 * 1.2inPackage Weight: 92g / 3.25ozPackage List:1 * Spoke LED Light