This handy carabiner includes a thermometer, compass, and foldaway LED light. Clip the handy carabiner 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 -20F and -30C. Compass is luminous and liquid-filled, and the LED light is bright for its small size. Not for load-bearing use.