About this item 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 Technical Details Item Package Dimensions L x W x H 4.49 x 3.23 x 1.89 inches Package Weight 0.2 Kilograms Brand Name AOFAR Manufacturer AOFAR An optical eyepiece for sighting Build with an optical eyepiece for sighting bearings easily, with azimuth 360-degree and reversed 360-degree scale, you can take bearings from you to the objects or take reverse bearings from the object to you all quick and easy. More functions AOFAR AF-4090 compass has a signal mirror, whistle, fishing hook, and line. It can locate and map the orientation that is necessary to participate in activities that are ideal for camping, hiking, positioning, hunting, adventure, mapping, driving, cycling, boating, and exploration. WARNING: When using, please take out the hook,so that not to affect the normal use
