A lightweight hands-free lighting solution for hazardous work environments, the Princeton Tec Quad Industrial LED Headlamp produces a wide beam of regulated light with a long runtime on commonly available AAA batteries. Equipped with a standard elastic headband, a rubber strap for hard hats, and 3M Dual Lock fasteners, the Quad Industrial weighs just 3.4 ounces and can be worn comfortably over long periods. The lamp produces up to 78 lumens, ample for many tasks, with runtime up to 73 hours, depending on brightness levels used. Regulated output assures consistent performance across battery life. Its IPX7 water-resistance rating, submersible to 3.3' for 30 minutes with no damage, signifies its ability to withstand challenging environments. This lamp is UL Rated safe for Class I Division 2, Groups A, B, C and D, and Class II Division 2, Groups F & G work environment, UL temperature code T6.