Bicycle Taillight Multi Lighting Modes USB Charging LED MTB Road Bike Flash Tail Rear Light For Cycling Seatpost Warning Lamps -USB charging -IPX2 waterproof -Shell Material: Waterproof ABS -Charging time: about 2 hours -Working Time: 3-6 hours according to different using mode -Easy to install, suitable for many sizes of handlebars or seatpost -5 lighting modes style: Strong light, Weak Light, Flashing, warning lights, 100% lighting(as working video showing) How to use ? Open: click 1 time (0.5 second) Close: 5 lighting modes style need press 3 seconds. 4 lighting modes style need press 1 second. 750-ps - 0080203 Wholesalers and retailers are welcomed. For wholesale,we will offer discount or free shipping method which only takes short time to arrive. If you are a retailer and wanna make your own business, we could send the goods to your customers directly and won't leave any information about us if you'd like to. What should I if I don't receive my item? Please contact us first, we will track your item. If the parcel was lost because of some reason, we will think over to full refund or resend it for you. We are honest seller, so don't worry. If the products have problems how to do it? Please contact with us in time, we will solve it. Don't leave any bad review firstly, that can not solve any problem. Specifications: High brightness, safer Five modes, follow one's incline Long endurance, sufficient power supply Small and light, portable USB quick charging The shape is unique and distinctive Powerful inner core circuit board Ipx-2 life waterproof Easy to disassemble and assemble at any time Package Included: Tail lights * 1 Headlight straps *1 USB cable * 1 Packing box * 1Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.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. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!