1. Easy Compatibility: Install and remove this solar bike rear light effortlessly without the need for tools. Suitable for a variety of bicycles, including road, mountain, and city bikes. Fits almost all bike frames and provides solarpowered lighting. 2. Safe and Secure: With excellent waterproof performance and shockresistant, wearresistant shell material, this solarpowered bike rear light is ideal for travel in any weather or terrain, ing superior visibility and reducing the risk of accidents. 3. Lighting: Harness the power of the sun—the builtin highefficiency solar panel absorbs sunlight, ensuring an ride without frequent battery replacements. 4. Multiple Modes: Featuring a highbrightness LED lamp with multiple lighting modes, such as steady bright, dim, and flashing, our solar bike rear light enhances detection by vehicles behind you. Adapt to various weather and road conditions for a r ride.