Features1High Visibility: The rear light features a bright LED and offers visibility to ensure your safety on the road. 2Durable Construction: This bicycle light kit is made of aluminum alloy, sturdy and waterproof, can withstand various weather conditions, making it for outdoor use. 3Long Lasting Battery Life: The front light is equipped with a 2000mAh built in lithium battery, providing reliable illumination for your nighttime rides. 4Easy Installation: With a simple and secure mounting system, this bike light can be quickly and easily installed on your mountain bike. 5Versatile Use: Suitable for a range of outdoor activities, such as cycling, hiking, camping, and more, this bike light provides reliable illumination wherever you go.SpecificationItem Type: Bike Lights SetMaterial: Aluminum AlloyShips with Built In BatteryFront Light and Tail Light Are Lithium BatteriesFront Light Battery Capacity: 2000mahTail Light Battery Capacity: 330mahPackage List1 x Bicycle Front Light1 x Tail Light2 x Data Cable1 x Bracket