Fenix HL35 headlamp is packed full of features with vision-friendly neutral white illumination for better color rendition in the dark. Its IP68 rated structure is designed to be waterproof, dustproof and lightweight. With built-in intelligent drive circuit, this headlamp can use 14500 rechargeable batteries to reach amazing 450 Lumens or with readily available alkaline AAs this light can produce over 3 hrs at 200 lumens . Other features include S.O.S., moonlight mode, red map light and flashing red light.