Product details:

LEDLENSER MH4 Multipurpose Headlamp –Black With its compact design and weighing just 3.25 oz, the LEDLENSER MH4 is the perfect headlamp for fishing, hunting and low-impact outdoor adventures. Designed for comfort with a wide headband strap so you can keep your hands free, no matter the task. Focus the beam from full flood to small spotlight seamlessly with one hand. Designed for dual functionality, the MH4 features an innovative mounting system that makes it easy to remove and position the lamp head for maximum flexibility. Provides up to 4.5 hours of light at 200 lumens and up to 35 hours of light at 20 lumens (AA alkaline battery included).