This LED bike pack comes with reflective strips and LED lights that will respond to the signal received from the remote control, reminding passengers and drivers to keep their distance from you. Functions: Made of high quality nylon fabric, waterproof and abrasion resistant. Wireless control, safe to use while driving. Great for running, cycling, walking. With 5 LED signals: left, right, forward, stop and standby mode, providing a safer warning effect when cycling. With a built-in USB rechargeable battery, it can be easily charged from your computer or any device with a USB port. With a 15L backpack, a large capacity for your essentials and tools. Specifications: Material: nylon Color: Yellow Size: 40 x 25 x 15 cm or 15,7 x 9,8 x 5,9 inch Weight: 300g or 10,6 oz Capacity: 15 liters LED light color: green red LEDs Battery: built-in rechargeable lithium battery 200mA Charge: Charged via Mini USB (using USB cable) Control distance: within 3 meters Direction indicator: 30 LEDs, direction indicator 8,5x7cm List of packages: 1 x backpack 1 x wireless controller 1 x buckle 4 x nylon strap 1 x User Manual