3 PCS Mini Portable 120db Double Pipe High Decibel Outdoor Camping Hiking Survival Whistle Double-frequency Emnergecy Whistle Keychain(Silver)

Brand Name:YYEDC
Type:Pocket, Multi Tools
Size:S
Size:About 5.5cm *1.8cm * 0.9cm
Color:Gold, Silver
Product name: high frequency dual tube survival whistle
Material: aluminum alloy
Weight: 13.5 g

Packaging: opp bag for independent packaging
Peak volume: about 120dB
Surface treatment: oxidation + sandblasting
Specification: length 55mm width 15mm thickness 8mm

characteristics ：
1, lightweight, and equipped with a key chain, easy to carry;
2. Larger caliber, louder whistle, outdoor necessities for rescue;
3, aluminum alloy material, the surface adopts anodic oxidation technology, fadeless, longer service life.