Lightweight touring backpack with reflective strips and signal LEDs for better visibility and safety at night. Controlled wirelessly with 4 signals (left, right, forward, stop), remind passengers and drivers to maintain distance. Charge from your computer or any device with the USB port, no more money spent in the batteries. Back padding of the tie rod to keep your cards and money pocket while improving breathability and comfort. Shoulder strap and adjustable waistband to fit your body perfectly. Product Description Advantage: This backpack with reflective strips and LED signal lights is highly visible and safe at night. With a remote control, this backpack can react to the received signal and remind passengers and drivers to keep distance. It is perfect for running, cycling, jogging and hiking. Easily assembled wireless remote control 4 LED signal available USB battery. Specifications: Material: Nylon + polyesterColor: Green / Gray (optional) Size: 24 x 24 cm / 9.4 x 9.4 inches. Approximate weight. 250 g / 8.8 oz. Controller: Signal frequency: 2.4 GHz Control range: 3 meter Battery: 2 x CR2032 waterproof quality: IPX-5 receiver battery: 3.7 V 850 mAh lithium battery. Package contents: 1 x remote control signal indicator backage widget1 x remote control4 x zipper1 x user manual (English language not guaranteed). - Charges from your computer or other device with USB port, so no more wasting money on batteries. Wireless control, safe to use when driving. The radio transmitter is attached or attached to the bike, so you never have to take your hands off the handlebars. It can be used as a wireless bicycle indicator light. It has 4 LED signals: left, right, forward, stops, from turn signal indicators to emergency signals to remind drivers to keep distance. This reflective LED bicycle backpack accessory is equipped with reflective strips and LED lights. The LED reacts to the signal received by the remote control, keeping passengers and drivers at distance.