Princeton Tec Fuel Headlamp (70 Lumens) Designed to meet the widest range of applications while remaining small, lightweight and robust Weighs only 78g with 70 lumens of brightness and 146 hours of burn time A symmetrical single arm bracket that makes directing the light effortless and reliable A large, easy to find push button switch and a virtually bulletproof, easy access battery door that protects the 3AAA s