Product name: Headlamp Product size: 8.5*5.5cm/3.3*2.2in lamp Battery: 1900mAh Product material: ABS Product features: 1. This LED headlamp is designed for hands-free use and provides a powerful, rechargeable, and ultra-bright light source for various outdoor activities such as night fishing and construction work. 2. The headlamp features a long-range beam, allowing for excellent visibility and illumination, even in the darkest environments. 3. With its rechargeable battery, this headlamp eliminates the need for constant battery replacement and can be easily charged using a USB cable. 4. The headlamp is equipped with a convenient wave-sensing function, allowing you to turn it on or off simply by waving your hand in front of it, providing a hassle-free operation. 5. Additionally, this headlamp features a battery level indicator, which allows you to monitor the remaining power and avoid unexpected power loss during your activities. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can feel free to contact me we will give you some suggestion, but it is for you reference only. Shipment includes: 1 pc Headlamp