and Stylish and comfortable to wear. Waterproof nylon material, no worries when travelling in the rain. With wireless remote control. Scope of application: cycling, camping, hiking, climbing, excursions, daily leisure Main functions: cycling, hiking, travel lights on, lights for 2.4G wireless LED signal cycling backpack Material: nylon Function: Turn signal and parking warning Shell material: PCandABS Communication mode: radio frequency 2.4GHZ Control range. 3m Backpack/pendant: waterproof fabric Operating time: 12 to 15 hours charging time. 3 hours (with LED light) Remote control batteries: 2 xcr2032 (built-in) Receiver battery: 4.2V, 500ah lithium battery Indication type: left turn, right turn, forward, stop 5L backpack Size: 360 x 210 x 120mm Colour: Fluorescent products containing. 1 x LED light backpack 1 x Remote Control 1 x USB Caution. 1. The monitor used is different, the computer is different, the angle of the photo is different, there may be angle colour problems. 2. Pure manual measurement, there may be 0-1cm error. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin