This led bike pack is equipped with reflective strips and led lights, which will respond to signal received from remote controller, reminding passengers and drivers keep distance from you.<Br/>features: <br />made of high quality nylon fabric, waterproof and wear resistant.<Br />wireless control, safely use when riding. Great for running, cycling, walking.<Br />highlighting, intelligent signal by wireless controller, easy-operating and security.<Br />having 5 led signals: left, right, forward, stop and standby, providing a safer warning effect while cycling.<Br />with built-in usb rechargeable battery, can be charged simply from your computer or any device with usb port.<Br />with 15l backpack, large capacity for your necessities and tools.<Br/>specifications:<br />material: nylon<br />color: yellow/gray (optional)<br />size: 40 * 25 * 15cm / 15.7 * 9.8 * 5.9In<br />weight: 300g / 10.6Oz<br />capacity: 15 liter<br />led light color: green&#43;red color leds<br />battery: built-in 200ma rechargeable lithium battery<br />charge: mini usb recharged (with usb cable)<br />controlling distance: within 3 meters<br />direction indicator: 30leds, 8.5*7Cm direction indicator<br/>package list:<br />1*backpack<br />1*wireless controller<br />1*buckle<br />4*nylon belt<br />1*user manual<br />