[Safety Enhancement & Six Light Modes] This bike light is vital for your safety on the road, featuring a wide 85-degree lateral light distribution. In the presence of oncoming vehicles and pedestrians, activate the safety light to minimize glare and help prevent accidents. Choose from six modes: high, medium, low, low-speed flashing, high-speed flashing, and SOS. The user-friendly button switch makes operation straightforward. [USB Rechargeable Bike Light Set] Enjoy more efficient charging—50% faster than other models. Each light has a battery indicator to show remaining power, eliminating the need for disposable batteries. Both front and rear lights are USB rechargeable, making it easy to power up using any USB source, such as a computer, laptop, or cellphone charger. The lights last approximately 2 hours on STRONG mode, lighting up your night ride. [Super Bright LED Lights & IPX65 Waterproof] Experience exceptional brightness with our durable bike front lights (as confirmed by customer feedback). With an IPX6 rating, these lights withstand heavy rain while the sturdy aluminum body ensures shock resistance, allowing you to tackle rough roads with confidence. [Versatile & Tool-Free Mounting] The mounting diameter accommodates sizes from φ17 to 44 mm. The lights can be easily removed from the holder for portability, providing added theft prevention. With practical uses beyond biking, these lights are also perfect for running, jogging, hiking, camping, walking pets, changing tires, and nighttime family activities.