1.Zoomable V9 Aluminum alloy Headlamp with Wave Induction mode function2.Use Latest CREE T6 LED Bulb with life time of 100・000hrs・ powered by 2 x 18650 battery・ 3 output brightness setting3.Eagle eye convex lens: Make the light more focused・ and the aluminum attack head protects the lens from wear4.DC / USB charging holds design・ Comfortable High-quality headlamp band: flexible lamp belt design can adjust the size according to the size of your need.5.Headlamp 90 Degree adjustable; Zoomable focus: the head extension focusing design・ free adjustment of astigmatism・ easy to deal with various environments