Black Diamond Equipment Storm Headlamp Fully water proof, IPX 7 rating 1 TriplePower LED and 2 SinglePower LEDs provide 100 lumens on max setting 2 SinglePower Red LEDs can be used when preserving night vision and are 3.9oz, 100 lumens max output, 200 hours max burn Three-level power meter shows battery life of the 4 AAA batteries