Dual Temp Thermometer displays the temperatures of two separate probes in °C or °F. Allows putting one probe in the freezer and another in the refrigerator (or measure two areas of a refrigerator). Range is -40/158°F and -40/70°C with a resolution of 0.1° and an accuracy of ±1°C. . Audible and Visual alarm feature provides alert when temperature rises above or falls below two set points. Alarm is programmable in 1° increments. Three foot micro-cable permits refrigerator or freezer doors to close on it.