Portable air horn for marine - Handheld safety alarm with loud sound1、Rust Resistant Material: The reusable air horn is made from tough, rustproof aluminum and ABS material, ensuring a long lifespan for this upgraded handheld portable horn. 2、Long Distance Sound: Up to 120DB loudness, the sound emitted travels as far as 1 mile. This horn is ideal for boating in fog, rain and darkness, alerting nearby boats or the coastguard to your location in low visibility and emergencies. 3、Versatile Application: This handheld air horn is widely used in various situations such as emergencies, boating, jogging, walking, scaring off wildlife, outdoor camping, climbing, hiking, parties, graduation, birthdays, football games, competitions and more. 4、Long Lasting Durability: Unlike regular noise makers, this is an upgraded reusable air horn that doesn't run out and requires no refill. It is not only loud and clear but also robust and practical. 5、Compact and Easy to Use: The handheld air horn is small and lightweight, allowing you to carry it around easily. Its space saving design won't take up any space. Plus, it is handheld and easy to operate, a simple push of the handle creates a loud sound.