Safety Technology 129dB Air Horn The Air Horn is an essential tool for added safety on the water. Roaring at a loud 129 decibels, it meets requirements for all US Coast Guard for boats up to 65 feet. This reliable and compact Air Horn fits easily in your hand and other carrying devices while still providing a powerful sound wave that is sure to turn heads. And don't just consider this product a solution for boating ? it can be used as an effective self-defense mechanism as well. When you need added security, keep this in mind and utilize your Air Horn to send out a loud audible warning signal before you find yourself in harm's way. The impressive 129 decibels of sound is capable of scaring off assailants, wild animals, and other potential threats. Make sure to add this important safety tool to all of your outdoor activities for added peace of mind! Features: -Compact size 5 1/8" x 1 3/4" -Weight: 1.4oz -129 Decibels -Can be heard up to 65 feet -Meets US Coast Guard requirements