This compact, long-running, high-performance headlamp is designed to operate in hazardous locations while still providing you with exceptional light output and long run times. The 3AA HAZ-LO is another of Streamlight's expertly manufactured headlamps. With maximum comfort and durability this is a headlamp which meets the stringent requirements of a Division 1 hazard zone. The elastic, adjustable head strap offers incredible comfort even when working for hours on end, plus this model comes with a rubber hard hat strap.