Compact and Portable: It measured3.5*2.5*1.4 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