If you&&';;re not familiar, thermometers are good at measuring the temperature of things. Now that you&&';;re all caught-up with the intricacies of thermometers, this BCA version is one of the best on the market. While covering a large temperature-range, the tool is designed with an emphasis on cold snowpack. Accurately measuring temperature gradients is crucial for a detailed report while digging a snow-pit. With no software or batteries to crash or freeze, the BCA Thermometer will help you analyze your very first pit as well as your last pit as the local forecaster.SPECS SKU C1318SS24010 Weight .6 lbs / 26 g Dimensions 5.3 x 1.0 in / 13.5 x 2.5 cm Highlight 20 mm diameter dial Sling for easy attachment to skis during air temperature reading Temperature Range -40 degree C to 70 degree C (-40 degree F to 158 degree F) Warranty 3 Year