The waterproof Meridian Strobe/Beacon light is visible over a mile and built with a low-profile body adaptable to a wide variety of uses: PFDs, packs, or anywhere you can find 1" webbing, making it easy to keep on you just in case of an emergency. This model of the Meridian features a red locator beacon and white emergency strobe. The toggle switch is large and easy to find, allowing for operation with chilly fingers, wet hands or gloves. If you are looking for a marker light with a white emergency strobe and a white constant light, check out the Meridian Strobe/Constant. Specifications:• Power: 100 Lumens• Lamp: 1 White Maxbright LED, 1 Red Maxbright LED• Burn Time: 100 Hoursv• Batteries: 3 AAA Alkaline (Included)• Weight: 3.5oz or 101g• Water Resistant: IPX8• Modes: Spot High and Spot Flash Beam (SOS)• Warranty: 1 Year | Princeton Tec Meridian Strobe / Beacon, Neon Yellow in Red