Unicycle Accessories features: This 2LED mini outdoor lighting head lamp, which well-made of high hardness and sturdy material, is strong and durable for lasting use. Widely application range, high brightness, it can bring you an excellent using experience, very practical and light weight. Features Color: Black Material: Aluminum Alloy Size: About 9.00X2.80X2.80cm/3.54X1.10X1.10inch. Battery: 1 x 18650 battery(included) Power generation way: USB-5V-1A Power: 20W Maximum range:100-200 m Note: It cannot be used as bike lamp. Wide application. Suitable for many places, such as running, hiking, jogging, camping, etc. Adopted by premium material, it is strong and sturdy, not easy to deform. Waterproof protection, high brightness, very clear to see, practical and high quality. Waterproof and high brightness, protect your outdoor safety at any time. Can be sent to your close friends or families, they will like it.