Add a Campmor Weather Gauge to your parka or pack for instant weather info. The front features a dual temperature scale with both Fahrenheit and Celsius readings. The back has a handy wind chill chart. Use it as a key chain or attach it to your jacket, sleeping bag or anything with a zipper.Use as a key chain or zipper pull. Attach to jacket or pack zipper. Fahrenheit and Celsius temperature readings. Handy wind chill chart. Wt. 0.5 oz.