Multi Functions LED Warning Light Shoes Clip On Light Backpack Light Outdoor Night Safety LightSpecifications:Color: Blue、Green、RedMaterial: PCSize: L*H=2.4*1.45cmNet weight: 3.6gMode: FlashBattery: 1*CR2032 batteryLight source: LEDFeatures:Small、lightweight、cool and nice、easy to carry.Can use for backpack、clothes、shoes、bicycle wheel and so on.Clockwise rotation of 45   turn on the light.Counterclockwise rotation of 45   turn off the light.Package includes:1 x light