The Ledlenser EXH8 headlamp offers maximum safety from explosions in almost any situation with gas or dust hazards. Plus it is not only comfortable to wear, your hands will be free to deal with whatever is thrown your way. This is the FIRST headlamp for Ex-Zone 0/20 with Ledlenser patented Advanced Focus System allows you to transition light from a broad flood beam to a sharply focused long-distance beam. With an output of up to 180 lumens, you’ll have all situations covered and if operated in the lower light setting you can have light for up to 40 hours.