2Pcs 3-frequency Whistler High Decibel Emergency Whistler Signal Rescue for Camping Hiking Survival Whistling Outdoor Tools

Feature: Curved corner design, smooth workmanship. The whistle has three holes, and each hole has a different sound. The sound is pleasing to the ears. With hanging chain, easy to carry. When traveling outdoors, you can confirm your location, avoid getting lost, find a companion, and provide assistance. Describe. Lightweight and Equipped with Key Chain, Easy to Carry. Larger Caliber, Louder Whistle, Necessary for Outdoor Rescue. Specifications. Material: Ps. Size: 7027mm. Color: Dark Green. Quantity: 1/2. Package Includes: 1 2 Whistle