Three-frequency outdoor survival whistle, life-saving whistle, emergency whistle, high-pitched and high-frequency, earthquake relief whistle

​Product Name: Multi-Tone Survival Whistle with Three-Audio Design

Material: High-Quality ABS Plastic (Impact-Resistant & Heat-Resistant)

Dimensions: 7.1cm (L) × 2.8cm (D)  ​​Lanyard Length: 15cm

​Feature：Portable Design with Ergonomic Integration、High-Decibel Output (120dB+)、Multi-Tone Signaling System、Intuitive Operation with Fail-Safe Mechanism