Description: [Running safety] When using a bicycle with a bicycle turn signal light, you can easily control the bicycle tail light to send signals in different modes through the three easy-to-use buttons on the wireless controller. [ -bright LED bicycle taillights] High-brightness LED lamp beads This lamp can meet most of the visual warning needs during riding. [USB charging] Built-in 500 mAh battery, safe and stable, long battery life, fast charging speed, can be connected to laptop computers, car chargers, mobile phone chargers, mobile power charging. [Waterproof rating] Waterproof design, can resist rain and humid climate, can be used normally in rain, suitable for outdoor riding. [Widely used] High-quality remote-control LED directional lights are suitable for all kinds of bicycles. The product is small and portable. The installation is very simple. It can be used on a variety of equipment and can also be used as an emergency device. Specification: Material: Plastic Size: 122x40mm/4.80x1.57 inch Package Includes: 1 Piece Light 1 Piece Remote Control 1 Piece USB Cable Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 1-3mm differences due to manual measurement.