1.Clear acoustic distress signal: Easily send a loud, clear alarm by simply tapping and shaking. Includes clips for secure attachment and builtin steel balls for sound amplification. 2.Ensured : For divers looking for adventures, our underwater noise generator is an indispensable accessory. Its robust design, 360 degree rotating hook and easy attachment to other diving equipment ensure a worry experience. , portable and ready for an extended diving adventure. 3.Improved Diving Communication: Our underwater noise maker helps you communicate with partners by shaking, increasing and fun. Whether it's getting attention or giving directions, you can stay informed and minimize confusion while maintaining the peaceful underwater environment. 4.Aluminum alloy material: Enjoy a r diving experience thanks to our noise generator, which is made of rustproof aluminium alloy for excellent durability. for diving enthusiasts who want to stay alert and be fully aware of their environment underwater.