This Extech Instruments 39240 Waterproof Stem Thermometer is a reliable and efficient tool for measuring temperature and humidity. It features a digital display and auto power off function, along with data hold capabilities. The thermometer is made with stainless steel and has a maximum storage temperature of 200 degrees Celsius. It requires 1 LR44 battery, which is included, and has a weight of 50.0 grams. The thermometer has a dimension of 1.78 x 14.99 x 2.04 cm, making it easy to carry and use. It is suitable for use in various settings, including business, office, and industrial environments.