This handy carabiner includes a thermometer! Clip to your jacket or pack, keychain, or use as a zipper pull with included split ring. Thermometer reads in Fahrenheit and Celsius scales down to -20°F and -30°C. The compact size of HikeHitch 1 makes it the perfect keychain or backpack accessory. Easy to clip right on any gear and go! Its lightweight design allows you to take HikeHitch 1 anywhere you'd like! Not for load-bearing use.