Princeton Tec Vortec Headlamp (28 Lumens) Power: 28 Lumens Reflector: Focused Wide & Narrow Beam Burn Time: 3.5 hrs. halogen / 5 hrs. Waterproof Enclosure Lifetime Warranty Power: 28 Lumens Burn Time: 3.5 hrs. halogen / 5 hrs. Waterproof Enclosure Lifetime Warranty