Farberware Protek Folding Digital Instant Read Thermometer, White Farberware Protek folding digital instant read thermometer is a space saver because of its easy storage design Temperature range from -20 to 500 degrees f or you can easily convert to Celsius Fold out 4-inch tapered stainless steel probe Features a temperature hold button Includes 1 AAA battery; the on-off button protects the life of the battery