:With a single tap, you can make a sound, which is fast and convenient. The bottle is small and easy to carry.Because of its special structure, it produces a loud sound through compressed air. You can push the handle to create the loud noise.Bottle is made of high-quality steel, the speaker is made of resin.The length of the product is 12.3cm, the width is 3.5cm, and the height is 4.3cm.It is suitable for game competitions, boating competitive sea rescue, opening ceremony, dragon boat competition, track and field sports, hiking, cycling and other scenes.Item Name: Loud HornMaterial: Steel,ResinColor: BluePronunciation: about 100 DecibelsSound Transmission Range: about 50 Meters Features: Handheld, Small, Easy to CarrySize Details: 123mm x 35mm x 43mm/4.84" x 1.38" x 1.69" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.How to use:Keep the bottle upright before use, tighten the horn head and press the top button, the horn will make a sound immediately.Package Includes:1 x Loud Horn