Specifications: Material: Plastic 3 Colors: Blue, Red, White Item Overall Size: 7.2 x 3.2 x 2.2cm or 2.83 x 1.25 x 0.86inch (L x W x H) Rubber Band Diameter: 2.4 - 3.4cm or 0.94 - 1.33inch USB Cable Length: 25cm or 9.84inch Battery Type: Built-in Rechargeable Lithium Battery Charging Time: 2 Hours Constant Time: 3 Hours Waterproof: Yes Placement: Seatpost, Frame, Handlebar, etc. Use for: Headlight, Tail Light, Warning Light, etc. Suitable for: Mountain Bike, Road Bike, etc. Quantity: 1 Set Feature: 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 or off and choose flashing mode. Package Content: 1 x Bike LED Light 1 x USB Cable 2 x Rubber Bands Note: Please allow 1-3mm error due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual colour of the item. Thank you! The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.