By combining red and white LEDs, the HL4 Headlamp is great when you need bright illumination or need to work in situations while preserving your night vision. Using our Utility Beam Optics, this headlamp produces a diffused beam best suited for up-close work. With Coast's commitment to quality, the HL4 Headlamp is impact resistant, and weather resistant and its LEDs are virtually unbreakable. The HL4 Headlamp is backed by Coast's lifetime warranty against defects in materials and workmanship. Tested and rated to ANSI/FL1 standards. Dual Colour Red/ White 145 Lumens Light Output (White LED) 4 Hour Runtime 50m Beam Distance Front Dual Switch For Each Colour Independently Hinged Attachment To Position Beam Impact And Water-Resistant Weight 4.4oz / 125g (Including Batteries)