Focusing headlamp with adjustable focus and light dimming functions. From spot to flood. Larger power switch and easier-to-grip focusing bezel. Dimming function adjusts light output to just the right level. Expandable Z-cord provides powerto the LED from the battery pack and is built in to the headband to reduce the possibility of snagging. Unbreakable LED, impact and water resistant. Twist focus. 196 lumen light output, 5 hour 45 minute runtime. 109 meter (357 ft) beam distance. Adjustable elastic straps. Hinged beam adjustment to position light where needed. 4.4 ounces (including batteries). Tested and rated to ANSI/FL1 standards. Uses 3 AAA batteries, included.