The Quad II Intrinsically Safe 78 Lumen Headlamp provides unparalleled design and performance and is the second in Princeton Tec's series of Intrinsically Safe headlamps. The Quad II shares the same basic design principles as the original and proven Quad but takes it up to a Cl 1 UL Div. 1 rating. The fundamental lighting characteristic of the Quad provides a vast amount of area light for all purpose needs and performing up-close tasks. The light beam is smooth and wide allowing you to work with your hands without glare or reflection. The housing is constructed to endure all conditions. With its robust walls, superior materials, and waterproof design, the Quad II is suited for any environment. The Quad II Intrinsically Safe 78 Lumen Headlamp is powered by 3 AAA batteries allowing for a compact footprint, and includes a rubber strap for hard hat use along with industrial 3M Dual Lock and a nylon strap for use as a standard headlamp.