This compass features a glow in the dark ring for night time use. The brass whistle is very loud and can be heard at least a half a mile a way. It produces about a 105 decibels of sound. This compass and whistle is also great for boating. Whistles can be heard over water up to five miles away. If ever in danger or trouble on the water Five Short bursts will alert anyone nearby of your immediate need. Whistle Safety, if you lose energy, you will get dehydrated over time, you will can become frustrated and lost and rescue will not be any closer. Always, carry a whistle around your neck with a lanyard or on a keychain. When you need to get help and attract attention blow the whistle with the SOS signal or three short bursts. Stay safe out there!
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Love Beautiful. Came as pictured.
Looks good and works. Very pleased. My friends go hiking and these will help to keep them safe. I put them on a lanyard so they can be worn around their necks.