The same potent headlamp as the one mounted on our Extreme LED system. The rugged, waterproof aluminum housing encases ultra-powerful Cree XM-L LED technology (the most powerful LED we've ever offered). Four-position light intensity switch and built-in strobe activation offers fast adjustment in the field to match the situation. Includes 12" short cord connection, but can be extended with the NLE4 long cord (48" total). Compatible with 4to 9-volt battery packs.