Great gadget for the outdoor enthusiast! The liquid-filled luminous compass and liquid-damped thermometer are cushion mounted in the rugged ABS housing. The dial thermometer has a Fahrenheit range of -20 degrees to 140 degrees and the Triple Whistle also includes a durable nylon lanyard. Dimensions: 1.2" x 2.3" x 1.1". Wt: 0.7 oz.