Ride safely at night with the 40000LM LED Mountain Bike Light Set, designed for powerful illumination and long-lasting performance. This dual-light combo includes a super-bright front headlight and wide-visibility rear light, offering the perfect balance of visibility and durability for any cycling environment.The front headlight delivers up to 40000 lumens with 4 lighting modes—full brightness, strobe, fast flash, and slow flash—while the rear light provides 6 illumination modes and 260° wide-angle visibility. Both lights are USB rechargeable, allowing easy charging via laptop, power bank, or any USB port.Built with a durable aluminum alloy and plastic body, these lights are IPX4 waterproof and shock-resistant, ensuring reliable use even in heavy rain or rough terrain. The quick-release silicone mount straps make installation tool-free and effortless, compatible with most bike handlebars and seat posts.