Princeton Tec QUAD II Intrinsically Safe Headlamp 78 Lumens Black Quad-II. The Quad II shares the same basic design principals as the original and proven Quad but takes it up to a UL Cl1 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. With its robust construction superior materials and waterproof design the Quad II is suited for any environment. Specifications for Princeton Tec QUAD II Intrinsically Safe Headlamp: Manufacturer: Princeton Tec Color: Black Beam Color: White Light Output: 78 lumens Application: Tactical Battery Type: Lithium Metal Bulb Type: LED Weight: 3.4 oz Beam Distance: 50 m Water Resistance Level: IPX-7 Water Resistant Mark: 1 m Battery Quantity: 3 Package Contents: Princeton Tec QUAD II Intrinsically Safe Headlamp Princeton Tec Quad-II: QUAD II Intrinsically Safe Headlamp 78 Lumens Black