The Fuel is small, reliable, robust and super user friendly. This lightweight lamp weighs 78g (2.75 oz) and offers 35 lumens of bright light. Designed with 4 output modes: low, medium, high, and flash. Features 3 Ultrabright LEDs, 164 hours of maximum burn time, a large easy-to-find push button switch, an asymmetrical single arm bracket for directing light, and an easy access battery door for 3 AAA alkaline batteries (included). Water Resistant.