Product name: whistle Product size about : Rope50cm/19.7in Whistle:7.5*2cm/3*0.8in Product color: As shown in the figure Product material: ABS product features: 1. The outdoor emergency survival dual-frequency whistle is a must-have for any outdoor enthusiast. Its compact and lightweight design makes it easy to carry and use in emergencies. 2. The dual-frequency feature allows for both high and low-pitch sounds, making it easier to attract attention in different environments. This makes it a versatile tool for signaling for help or communicating with others in a variety of outdoor scenarios. 3. The high volume output of the whistle ensures that it can be heard from a distance, increasing the chances of being located by rescue teams or other individuals in the vicinity. 4. The whistle comes with a convenient hanging rope, allowing it to be easily attached to a backpack, belt loop, or other gear for quick and easy access. This ensures that it is always within reach when needed most. 5. In emergencies, where communication and signaling are crucial, the outdoor emergency survival dual-frequency whistle provides a reliable and effective means of attracting attention and increasing the chances of being rescued. Its durable construction and practical design make it an essential tool for anyone venturing into the great outdoors. Precautions: 1. As we all know, different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you find it difficult to choose the size, you can contact us at any time. We will give you some suggestions but for your reference only. Shipment includes: 1 pc whistle