This is an easy-to-use digital thermometer with simple, one-button operation for quick temperature checks on melting wax or melt and pour soap. The top of the thermometer has an easy-to-read temperature display with Fahrenheit and Celsius settings. Thermometer comes with a protective clip sheath and battery. NSF Listed For replacement batteries, this thermometer uses 1.5V Button IEC LR44 Alkaline batteries.