New Improved Design - New Brrr-ometer design ensures the thermometer tube stays secured in the housing. A great addition to your key chain and can also serve as an awesome gift! Anodized Aluminum Housing - Rugged aluminum housing in a sleek snowsport design provides protection for the thermometer tube. The ultralight design ensures you won't be weighed down on the mountain. Accurate Thermometer - Reads from -20 to 120 degrees Fahrenheit or -30 to 50 degrees Celsius. One of the essential accessories for cold weather environments. Handy Keyring - Attach to your coat, pack, zipper, or anything else you can think of. Brrr-ometer is the perfect addition to your camping, hiking, survival, and travel gear. An Outdoor Essential - With three colors available, Brrr-ometer is a must-have accessory for the outdoors. Great for an emergency, or just for every day carry (EDC).