High-Frequency Sound: Double tube design produces 120dB loud alerts with minimal effort, ensuring reliable signaling during emergencies
Durable Construction: Crafted from aluminum alloy outer casing for impact resistance and long-lasting performance in harsh outdoor conditions, with built-in plastic airway insert inside the whistle.
Compact Portability: Measures 5.6cm length with included keychain for easy attachment to gear or keys
Multi-Scenario Use: Ideal for camping, hiking, boating, and dog training with versatile audible signaling
Complete Package: Includes 10pcs whistle, a sufficient quantity for your outdoor group camping activities.