Details Bring added safety and color to your night run with the lightweight and powerful Nathan Neutron Fire Headlamp. The primary LED kicks out a crisp 115 lumen spotlight, while the two side strobes offer RGB Light - red, green, or blue LED's for added visibility. The Neutron Fire offers five lighting modes - low, medium, high, sprint, and strobe - with a maximum burn time of 30+ hours. It is weather resistant and will keep working if you're caught in a rainstorm. Lumens 115 Run Time 30+ hours max burn time depending on mode Battery 2 AAA batteries Details 5 Lighting Modes: Low, Medium, High, Sprint, Strobe Side LEDs: Red, Green, or Blue Adjustable headlamp angle IPX4 water resistance Weight 3.1 oz Nathan Neutron Fire Runner's Headlamp