This is the Princeton Tec Vizz 550 LED Versatile Dimmable Headlamp Features: Power: 550 Lumens 1 Maxbright LED (dimmable) 2 Red Ultrabright LEDs (dimmable) 2 White Ultrabright LEDs (dimmable) Burn Time: 90 hours Batteries: 3 AAA Alkaline or Lithium Weight: 3.2oz / 92g Water Resistance: IPX7 (down to 1 meter for up to 30 minutes) Performance Mode / Lumens / Runtime:Spot High / 550 / 1.5hSpot Low / 150 / 40hFlood High / 30 / 90hRed High / 10 / 135h Lifetime warranty Waterproof, durable, bright and versatile: the Vizz headlamp makes a great partner in any situation. The Vizz&';s combination of durability and power make it an ideal choice for any demanding environment. Our feature loaded Vizz includes a Maxbright LED that creates a powerful spot beam for longthrow illumination, a pair of white Ultrabright LEDs to deliver a flood beam, and two red Ultrabright LEDs handle close-range lighting while preserving night adjusted vision. Regulated circuitry delivers consistent light output over an extended period of time. When not in use the Vizz can be locked to prevent accidental turn on, and the translucent switch acts as a low battery indicator.