Dual temp thermometers. 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 -40/70deg C with a resolution of 0.1° and an accuracy of ±1deg 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 without obstruction.