Product name:Motorcycle taillight Product color: As shown in the figure Product material:Plastic, Silicone product features: 1. Powered by a 330mAh built-in lithium battery, it comes with a charging cable that plugs into computers, power banks, or any device with a USB port. Advanced power management extends operation time for both daily commutes and extended rides. 2. Easily cycle through high/low steady beams and fast/slow flashing patterns. Each mode is engineered for specific visibility needs in various riding conditions. 3. Flexible four-slot strap securely fits handlebars and seat posts . Quick-release mechanism enables tool-free installation within seconds. 4. IPX4 rated housing provides reliable protection against rain and splashes. Weighing just 35g, the streamlined design minimizes bulk while maximizing durability. 5. Focused optical lens creates a 120 warning zone visible from 1000+ feet. Enhanced side visibility ensures comprehensive awareness for trailing vehicles. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can feel free to contact mewe will give you some suggestion, but it is for you reference only.