The Ambient Temperature Probe provides accurate temperature readings in hot and cold environments. Easy to mount inside of a oven or grill. SANT311T Probe type: Thermistor. Probe Temperature Range: 0 to 572°F (-18 to 300°C). Specifications: 6 ft. cable, 2.5mm audio connector, 2 1/4 in. long probe, 4mm. diameter.