The AUTHOR X-Head headlamp offers 450 lumen brightness and a flood white beam for proximity lighting. They also feature a green beam option as the human eye is more receptive to green light so you’ll retain great night vision and illumination clarity. The X-Head 450 design and durability makes it the ideal choice for cycling, fishing, trekking or when traveling. It comes with rechargeable LI-poly battery. Silicon rubberized shell make a higher impact protection and low pressure water resistant. Compact and lightweight – only 60 g.