Material: Plastic3 Colors: Blue, Red, WhiteItem Overall Size: 7.2 x 3.2 x 2.2cm/2.83 x 1.25 x 0.86inch (L x W x H)Rubber Band Diameter: 2.4 - 3.4cm/0.94 - 1.33inchUSB Cable Length: 25cm/9.84inchBattery Type: Built-in Rechargeable Lithium BatteryCharging Time: 2 HoursConstant Time: 3 HoursWaterproof: YesPlacement: Seatpost, Frame, Handlebar, etc.Use for: Headlight, Tail Light, Warning Light, etc.Suitable for: Mountain Bike, Road Bike, etc.Quantity: 1 SetFeature:USB rechargeable LED light, fully automatic power off and can use for a long time.With 2.4 - 3.4cm rubber band, suitable for installation on different frames, easy to install and use.Can press the button to turn on/off and choose flasing mode.Package Content:1 x Bike LED Light1 x USB Cable2 x Rubber BandsNote: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!