9-Bulb LED Headlamp is a bright and lightweight lighting solution with multiple light levels and a one-size-fits-most adjustable head strap. The super bright headlamp emits 8.4 lumens and has three brightness settings ranging from three bulbs, six bulbs, or nine bulbs at once. The headlamp features a flash setting for emergencies and has an extensive 100,000-hour lifetime. The tactical headlamp runs on three AAA batteries and is perfect for camping, hiking, home use, and much more.