Features: Ensure your safety during maritime adventures with the personal locator beacon, which transmits real time navigation targets tracking information over AIS for quick rescues operations. Featuring lightweight design, this beacon is easy to mount and offers a minimum of 24 hour continuous operation with its long lasting manganese battery. For water sports enthusiasts, outdoor adventurers, and professional rescues teams who require reliable positioning tools in emergencies. Perfect for sailing, fishing, swimming, hiking, and other outdoor activities, providing peace of mind with its high precise location updates every minutes. With waterproof construction and compatibility with various onboard navigation systems, it ensures seamless integration into your safety gear, enhancing overall security in challenging environments. Specifications: Component:Plastic Size:Approx.13x5cm/5.12x1.97inch Sealing depth: Immerses in 5 meters (16.4 feet). Operating temperature: -20 to +55℃(-4 to+131°F) Storage temperature: -30 to +70℃(-22 to+158°F) Transmission time: 24 hours Battery life (storage): 7 years Frequency: 161.975 &162.025MHz Power: 2W Package Includes: 1pcs AIS Personal Locator note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.