Include: 1 x Bicycle Tail Light, 1 x Strap, 1 x USB Cable, IPX2 waterproofShell Material: Waterproof ABS,Charging time: about 2 hoursWorking Time: 3-6 hours according to different using modeEasy to install, suitable for many sizes of handlebars or seatpost5 lighting modes style: Slow Flasht, Flash, Flashing, Warning lights, 100% lighting, 50% lighting. Package Includes: 1 Piece Bicycle Tail Light 1 Piece Strap 1 Piece USB Cable Note: Please allow slightly difference due to manua l measurement.Color may be slightly different since different monitor. Thanks About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.