Small but resilient, the ACR Electronics ResQLink 400 Buoyant Personal Locator Beacon has been professionally engineered and tested to withstand the harshest elements. This buoyant personal locator beacon requires no subscription for use and can be utilized to enhance your safety in a wide variety of environments. Whether on land, at sea, or in the air, the ACR Electronics ResQLink 400 Buoyant Personal Locator Beacon delivers precision you can trust, and puts rescue in the palm of your hand. Strobe and infrared strobe options enhance visibility, while GPS and Galileo GNSS communications abilities, along with MEOSAR-compatiable global coverage, ensure you can bring the ResQLink PLB anywhere with confidence. 5-year battery life, with up to 24-hour operational life.Manufacturer model #: 2921. No subscription required GPS and Galileo GNSS Built-in buoyancy Strobe and infrared strobe Global coverage MEOSAR-compatible Small and lightweight 5-year battery life Up to 24-hour operational life