Product name: headlamp Product size:103*91*80mm/4*3.6*3.2in Battery:4800mah,(2400mah*2) Product material: ABS Product features: 1. Powerful Brightness: This headlamp provides a strong and bright light, ensuring optimal visibility for outdoor activities, night fishing, and other nighttime adventures. 2. Rechargeable Lithium Battery: With a built-in rechargeable lithium battery, this headlamp offers long-lasting power, eliminating the need for frequent battery replacements. 3. Extended Battery Life: This headlamp boasts an impressive battery life, allowing for extended use without the need for frequent recharging. 4. Battery Level Indicator: Equipped with a battery level indicator, this headlamp conveniently displays the remaining battery power, ensuring you are aware of when it needs to be recharged. 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