7-in-1 Multi-functional Acorn Survival Whistle includes the following features :

• Textured acorn shape for enhanced grip
• Built-in LED bulbs as a flashlight
• Magnifier
• Built-in high-decibel whistle and reflective mirror help signal for help when needed
• Integrated compass and thermometer ensure you always know your direction and ambient temperature
• The storage case keeps small essentials like medication, matches, or tinder completely dry
• Includes a sturdy carabiner to clip easily onto backpacks, belts, or keychains

Material :

• ABS housing

Size closed :

• Diameter of 4.9 cm x Height of 8.9 cm