High Beam Combination: This newly upgraded headlight allows you to navigate freely in the dark! The headlight can switch between high beam and low beam, or be used simultaneously. It provides a powerful high beam with a range of up to 45 meters; it also offers a wide light suitable for illuminating large areas. Wider field of view, longer range, or both – it's entirely up to you! Multiple Modes, Superb Brightness: This road bike light features a dual independent control design, configurable as 2×4 (headlight) + 2×6 (taillight), offering multiple independent modes, including high beam, medium beam, low beam, and various flashing modes. Additionally, thanks to its oversized bulb, the headlight provides up to 500 lumens of ultra-bright illumination. USB Charging, Long Battery Life: The headlight is equipped with an 1100mAh high-capacity battery, and the taillight has a 350mAh battery. In slow flashing mode, the headlight lasts up to 35 hours, and the taillight up to 33 hours. Furthermore, with the included dual-port USB cable, you can charge both lights simultaneously in 1.5 to 2.5 hours. IP65 Waterproof and Durable: This latest USB rechargeable waterproof LED bike light allows you to cycle freely even in harsh weather. Enjoy your bike ride even in fog or rain! The high-quality shell design withstands impacts and collisions, offering excellent shock resistance and heat dissipation. This mountain bike light can withstand drops from a height of 3 meters. Quick and Easy Installation: The elastic strap design makes mounting on your bike easy and secure. Lightweight and compact, it is easy to carry. This bike light is ideal for cycling, hiking, camping, or any occasion where increased visibility and safety are needed. It can also be mounted on backpacks, strollers, and more.