Easy to carry: the main body of the lamp is ABS , light weight, compact structure, easy to use, easy to carry. Suitable for a wide of people: headband is adjustable elastic cloth, suitable for a variety of for head circumference. This headlamp LED is powered by long lasting 3 x battery (not included), very easy to replace battery after removing the battery . This headlamp is very light and portable, suitable for hiking / night fishing / cycling / night running / camping / working and other scenarios. The of the headband is soft and absorbent, it feels comfortable and won'for t slip off. And it is stretchy and adjustable, flashlight suitable for all adults and children.