Designed for marine emergencies, coastal adventures, and harsh weather conditions, this waterproof light provides reliable visibility at night and in lowlight wilderness scenarios. Engineered with secure tethers for attachment to rings, it offers a wide operating temperature range from 30C to 65C and runs on batteries for 2+ hours of continuous use. Combines compliant luminosity with robust environmental adaptability, making it essential equipment for lifeguards and anyone prioritizing visibility and safety. Wateractivated emergency light automatically illuminates on contact with water, emitting bright flashing signals (5070 flashes per minute) with intensity to enhance visibility in critical situations. Use scenarios Lifeguard or rescue team operations at night along the coast or in spray and rough seas, where immediate visual signaling improves safety. Boating, sailing, or coastal fishing in low light or stormy conditions, where the light serves as a beacon and helps locate people or gear. Emergency preparedness or flood response near water, where rapid illumination upon contact with water aids situational awareness and signaling.