Illuminate your path with a beam that reaches up to 300-500 meters, significantly enhancing nighttime visibility and allowing you to anticipate road conditions at high speeds for improved safety. Choose from 5 lighting modes (high, medium, low brightness, strobe, SOS) to suit your needs. 【5200MAH Large Capacity & LCD Display】 Features a built-in 5200mAh USB C rechargeable battery, providing up to 5 hours of light on high brightness and 50 hours on low brightness, perfect for extended night rides. The unique LCD digital screen displays the remaining lighting time, allowing you to monitor battery status and use it with confidence. In emergencies, its power bank function can charge your smartphone or other devices. 【Aluminum Alloy Material & IPX5 Waterproof】 The premium aluminum alloy body is not only strong and durable but also enhances heat dissipation at high brightness, ensuring stable illumination. It effectively withstands various weather conditions, making it the ideal cycling companion for your protection. 【Multi-Mode Flashing Taillight】 The bicycle taillight utilizes 9 high-performance red LEDs, offering an impressive visibility range of up to 1500 meters. It offers 5 lighting modes: high brightness, flash1, flashing, flash2, and breathing light, ensuring all your needs are met and escorting your cycling safety. The built-in 1200mAh rechargeable battery provides up to 50 hours of light and fully charges in 2.5 hours. 【Easy to Use & Multifunction】 Simple to install without tools, the light bracket features a one-click installation or release button. Slide the headlight into the mounting bracket or remove it without detaching the bracket. Perfect for nighttime visibility.