TempaComp has a thermometer and compass all on one handy carabiner. Easily attach it to your pack jacket keychain or wherever you might need it. Whether you are hiking camping backpacking or hunting the TempaComp is the perfect accessory for your adventure. Just clip and go! The ball compass is readable at any angle and displays both cardinal points and direction of travel. Thermometer reads down to -20º Fahrenheit (-30º Celsius). Not for load-bearing use. NOTE: Do not use the side card for general orientation purposes. Doing so will cause readings to be off by 180°.