Product InformationWith regulated circuitry, Quad can run on alkaline or lithium batteries. Four Ultrabright LEDs illuminate the darkest conditions with a wide flood beam. Quad?s housing features molecularly bonded O-ring seal for waterproof durability. With a low battery indicator, a separately molded battery tray and high-grade materials, the Quad is a popular headlamp for paddling and general outdoor use. Quad Headlamp Black