Sighting Military Compass Af-4090, Aluminum Alloy Materialis Lighter, Functional

Compact and Portable: It measured3.52.51.4 in, 5.2oz, it can faultlessly fit in your pocket 
Multifunctional: It has signal mirror,whistle,fishing hook and line. It can locate and map orientation 
Survival essentials: The signal mirror and whistle are designed for survival using. The whistle is 100 dB. The signal mirror is 1.4 in in diameter 
Unique Design: It has a 0.43 cu in storage for fishing hook and line,and can store other small things 
Metal structure, waterproof and shockproof. It withstand temperatures of 50 degrees below zero. Ideal for camping, hiking, adventure, positioning, mapping, etc