The strong light highlights the wick to warn vehicles behind to keep a safe distance, making night riding safer. Dazzling red warning light makes riding with high visibility at night more secure. IPX4 waterproof for daily use, you are not afraid of riding in rainy days (avoid being exposed to the rain for a long time). USB fast charging, compatible with multiple charging methods, making night riding safer. Built-in large-capacity battery can last all night to provide strong power for strong lighting, making riding easier. Quick installation/disassembly, durable silicone strap base bracket, more stable lighting installation. Description: Introducing the bike taillight, a must-have for night riders! This USB fast-charging taillight is compatible with multiple charging methods, ensuring a safer night riding experience. Its lightweight design allows for easy storage in a pocket or car bag, and the eye-catching wide-angle beam can be seen from blocks away, providing high visibility and safety. Suitable for most bicycles, including mountain bikes, road bikes, and folding bikes, this taillight features a dazzling red warning light for enhanced visibility at night. With IPX4 waterproof rating, it's suitable for daily use and can withstand light rain. The built-in large-capacity battery provides strong power for long-lasting lighting, making night riding easier and safer. Quick installation and disassembly are made possible with the durable silicone strap base bracket, ensuring stable lighting installation. Don't miss out on this essential accessory for your nighttime rides! Item Name: Bike Taillight Material: Plastic Charging: USB Charging Lamp Beads: High Brightness LED Waterproof: Life Waterproof Mode: Strong Light/Low Light Slow Flash/Strobe Battery Capacity: 650 mAh Features: Easy Installation, Detachable, Ultra Bright Size Details: L: 3.8cm, W: 2.8cm, H: 5.3cm(Approx.) Notes: 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. Package Includes: 1 x Bike Taillight 1 x USB Charging Cable 1 x Strap