Description: - 【Premium Material】: Made from durable metal and silicone, this tail light is designed to withstand the rigors of outdoor use and last for a long time. - 【Bike Rear Light】: This is a LED bicycle tail light, an essential accessory for your cycling gear, enhancing experience during your rides. - 【Features】: The USB tail light is compact and portable, has bright brightness, and is convenient to operate. Waterproof design, durable, easy to install and remove. - 【Multiple Light Modes】: The bike warning lamp features three different light modes: quick flashing, flowing and dot flashing, allowing you to adjust according to the visibility conditions and personal preference. - 【Compact Size】: With bike rear light size of 3cmx11cm/1.18inchx4.33inch, this bicycle tail light is compact and lightweight, making it easy to install and carry around on all your biking trips. Specification: - Material: Metal, Silicone Size Chart: 3cmx11cm/1.18inchx4.33inch Package Includes: 1 Bike Rear Light Note: Please allow slightly errors due to manual measurement and different monitors.