The headlight can be easily mounted onto the bike with the included bracket.<br> The headlight has five lighting modes. The convenient and versatile design makes you more convenient and safe during cycing.<br> XL-400 bicycle headlight adopts micro-usb charging interface, no need to replace the battery, it can be charged repeatedly, which is more convenient and faster. Equipped with a 2200mAh high-capacity battery,it can ensure that you ride more safely at night.<br> Adopts USB charging mode, It can be used as a mobile power supply. When you need to charge outdoors, this lamp can be used for emergency charging.<br> This bicycle headlight has stability, safety and waterproof characteristics. Make your riding and journey safer and more comfortable.<br> size:9.4cm<br> Material: Plastic+aluminum<br> colour: black<br> Package Contents:<br> 1 x Headlight<br> 1 x USB charging cable<br> 1 x GoPro Adaptor<br> 1 x GoPro Adaptor bolt<br> 1 x Handlebar mount<br> 1 x English manual<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.