Features: *1. High-quality waterproof fabric, with good water resistance, and effectively prevent rain. *2. The LED remote warning backpack is like a traffic signal; when you want to turn left or right or stop, the corresponding signal will be sent through the remote control. *3. Regardless of day and night, the riding warning light will remind people around, so that you are safer. *4. Mobile remote control design, simple and compact, easy to use. *5. It has 4 LED signals: left, right, forward, stop, turn signal to emergency signal to remind the driver to keep the distance. *6. Easy to operate, safe, stylish style and unique appearance make you stand out. *7.The inner layer contains a Net bag, which can hold necessary items Product Specifications: Suitable for use: cycling, camping, hiking, climbing, outing, daily leisure Main functions: cycling, climbing, travel light steering, indicator lights 2.4G wireless led signal riding vest Product size: 250*250mm Packing: nylon Function: Turn indicator and parking warning Shell material: PC+ABS Communication method: wireless frequency 2.4GHZ Control distance: 3m Backpack/Pendant: Waterproof fabric Working time: 12-15H Charging time: 3H (with LED indicator) Remote control battery: 2xCR2032 (built-in) Receiving battery: 4.2V, 650mAh lithium battery Instruction type: turn left, turn right, forward, stop standby Product List: 1 LED indicator pack, 1 remote control, 1 remote control card holder, 4 cable ties, 1 USB cable, 1 copy of instruction manual