The SANT311 Temperature Probe provides accurate temperature readings in hot and cold environments. Easy to mount inside of a oven, grill, cooler, or freezer. Probe type: RTD PT-100 Class A. Probe Temperature Range: -58 to 716°F (-50 to 380°C). Specifications: 6 ft. cable, 2.5mm audio connector, 2 1/4 in. long probe, 4mm. diameter.