Waterproof Design: Ride confidently in any weather with this bicycle taillight's waterproof construction, ensuring reliable performance even on rainy days for enhanced safety during your travels. High Visibility LED Beads: Tailored for bicycles, this warning tail light features high-brightness LED beads that effectively capture the attention of following vehicles, significantly boosting cyclists' safety on the road. Versatile LED Lamp Post: Stand out with a three-color LED lamp post design offering various visual warning effects. Switch between seven modes to adapt to different safety requirements and scenarios for optimal visibility. Tool-Free Installation: Enjoy hassle-free mounting on your bicycle without the need for tools. This taillight's quick-fix mechanism allows easy attachment and removal, providing convenience for cyclists at any time. Ideal for Night and Outdoor Riding: Elevate your outdoor and night riding experiences with this versatile bicycle taillight, designed to enhance visibility and safety during low-light conditions, ensuring a secure journey every time. Description: Illuminate your paths with the waterproof bicycle tail light. Designed to withstand rainy days, this taillight ensures optimal visibility and safety during your rides. Featuring high-brightness LED beads, it effectively alerts rear vehicles, enhancing road safety for cyclists. With a three-color LED lamp post design and seven switchable modes, this taillight offers versatile visual warning effects to suit various scenarios. Easy to install without tools, it provides convenience for quick attachment and removal on your bike. Perfect for outdoor and night riding adventures. Item Name: Bicycle Tail Light Material: ABS Battery: Built-in 480mAh Rechargeable Battery(Included) Features: Easy to Install, Super Bright, Universal Size Details: L: 7cm, W: 4cm, H: 2.5cm(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 Bicycle Tail Light 1 x Strap