The SV311 Temperature Probe extends the sheath to 5″ which provides a better configuration for cooking in pots and Sous-Vide cooking. Can also be used inside of a oven, grill, cooler, or freezer. Specifications: 6 ft. cable, 2.5mm audio connector, 5 in. long probe, 4mm. diameter.  1/4 BSP Threading. SV311T – Probe type: 100K Thermistor. Probe Temperature Range: 0 to 572°F (-18 to 300°C).