Thank you for viewing! (*^^*) ❤️ Brand new, unused ❤️ ❤️ Free shipping ❤️ ❤️ Instant purchase OK ❤️ ✱ The Psycho-Call's frequency of 3150Hz produces a sound that is most easily heard by the human ear. This is said to be the sound that is most easily heard by the human ear even in crowds and noise, and one blow can attract the attention of many people. ✱ Compact and lightweight! Perfect for carrying around. It's easy to attach to bags, keychains, and name straps, so you can carry it with you at any time. It won't stick out even when attached to a strap! ✱ The whistle itself is angled, so it won't float diagonally when attached to a strap. Neat and smart! 【Uses】When trapped in a disaster, ~ it works powerfully and clearly even with a light blow!! 【Size】Size: 47 x 20 x 8mm 【Weight】Weight: 2g 【Material】ABS resin We have many other items for sale, so please take a look! (^^) #chiruchiru items ⑧54-m 5 Sanwa Seisakusho Disaster Prevention Whistle Psycho-Call Lemon