2pcs, Three-frequency Survival Whistle, Portable Lifesaving Whistle, High-frequency First Aid Whistle, Suitable For Outdoor Camping Emergency

Three-frequency design: emits three different frequencies for maximum attention-grabbing in emergency situations
Portable and lightweight: easy to carry in your pocket, backpack, or keychain
High-frequency sound: can be heard from a distance, making it ideal for outdoor activities like camping, hiking, and boating
Lifesaving tool: can be used to signal for help in emergency situations, potentially saving your life
Durable construction: made of high-quality materials to withstand harsh outdoor conditions