The Coast HL8 headlamp is the most powerful headlamp in the Coast line. With an amazing 344 lumen output, this headlamp will illuminate anything you need on the jobsite or in the outdoors. Never worry about batteries again with up to 19 hours 15 minutes of runtime on this LED powerhouse. Coast's Pure Beam Focusing Optics helps produce a large flood beam with the Bulls-Eye Spot Beam shining light on any target up to 678 feet away. The HL8 can be used with a hard hat style safety helmet and is also equipped with a battery pack which includes a 3 foot extension cord to clip on a pack or belt.