Product name: Headlamp Product size: 58*40*37mm/2.3*1.6*1.5in Built in battery: 3000mAh 5-10h endurance Product material: ABS Product features: 1.Multi-functional and Convenient: This headlamp is equipped with a wave sensing function, allowing you to easily turn the light on or off by simply waving your hand in front of it. This hands-free operation ensures convenience and ease of use during outdoor activities. 2.Adjustable Angle: The headlamp is designed with an adjustable angle feature, allowing you to direct the light beam wherever you need it most. This ensures maximum visibility and illumination, making it ideal for various outdoor activities such as hiking, camping, and fishing. 3.Dual Lighting Modes: The headlamp offers two lighting modes - bright white light and warm light. The bright white light provides clear and focused illumination, while the warm light creates a softer and more comfortable lighting environment. You can choose the mode that suits your specific needs or switch between the two for different situations. 4.Red Light Mode: In addition to the white light modes, this headlamp also includes a red light mode. Red light is often used in outdoor activities such as stargazing or night fishing, as it helps to preserve night vision and avoid disturbing wildlife. The headlamp also features a red light flashing mode for emergency situations. 5.Versatile: This headlamp is not limited to outdoor activities. Its versatile design makes it suitable for various purposes, such as DIY projects, home repairs, or emergency situations. Additionally, it is made from high-quality materials, ensuring durability and resistance to harsh weather conditions. This headlamp is built to withstand the demands of your outdoor adventures. 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