Product name: Headlamp Product size: 80*81*92mm/3.14*3.18*3.6in Endurance: Bright light for nine hours+ Battery: 1800mAh Product material: ABS Product features: 1. Long-lasting 9-hour endurance with powerful illumination. 2. Gesture-sensing technology for convenient operation. 3. Digital display shows battery level for easy monitoring. 4. Suitable for camping, night fishing, construction site patrols, and more. 5. Features high-quality LED for efficient and reliable lighting. 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. Package includes: 1 pc Headlamp